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C8051F989 PDF даташит

Спецификация C8051F989 изготовлена ​​​​«Silicon Laboratories» и имеет функцию, называемую «(C8051F98X / C8051F99X) Capacitive Sensing MCU».

Детали детали

Номер произв C8051F989
Описание (C8051F98X / C8051F99X) Capacitive Sensing MCU
Производители Silicon Laboratories
логотип Silicon Laboratories логотип 

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C8051F989 Даташит, Описание, Даташиты
C8051F99x-C8051F98x
Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU
Ultra Low Power Consumption
- 150 µA/MHz in active mode (24.5 MHz clock)
- 2 µs wakeup time
- 10 nA sleep mode with memory retention
- 50 nA sleep mode with brownout detector
- 300 nA sleep mode with LFO
- 600 nA sleep mode with external crystal
Supply Voltage 1.8 to 3.6 V
- Built-in LDO regulator allows a high analog supply
voltage and low digital core voltage
- 2 built-in supply monitors (brownout detector) for
sleep mode and active modes
12-Bit or 10-Bit Analog to Digital Converter
- ±1 LSB INL (10-bit mode); ±1.5 LSB INL
(12-bit mode) no missing codes
- Programmable throughput up to 300 ksps
(10-bit mode) or 75 ksps (12-bit mode)
- Up to 10 external inputs
- On-chip voltage reference; 0.5x gain allows measur-
ing voltages up to twice the reference voltage
- 16-bit auto-averaging accumulator with burst mode
provides increased ADC resolution
- Data dependent windowed interrupt generator
- Built-in temperature sensor
Capacitive Sense Interface (F99x)
- Supports buttons, sliders, wheels, and capacitive
proximity sensing
- Fast 40 µs per channel conversion time
- 16-bit resolution, up to 14 input channels
- Auto scan and wake-on-touch
- Auto-accumulate up to 64x samples
Analog Comparator
- Programmable hysteresis and response time
- Configurable as wake-up or reset source
6-Bit Programmable Current Reference
- Up to ±500 µA, can be used as a bias or for
generating a custom reference voltage
- PWM enhanced resolution mode
High-Speed 8051 µC Core
- Pipelined instruction architecture; executes 70% of
instructions in 1 or 2 system clocks
- Up to 25 MIPS throughput with 25 MHz clock
- Expanded interrupt handler
Memory
- 512 bytes RAM
- 8 kB (F990/1/6/7, F980/1/6/7), 4 kB (F982/3/8/9), or
2 kB (F985) Flash; in-system programmable
Digital Peripherals
- Up to 17 port I/O; high sink current and
programmable drive strength
Hardware SMBus™/I2C™, SPI™, and UART serial
ports available concurrently
- Four general purpose 16-bit counter/timers
- Programmable 16-bit counter/timer array with three
capture/compare modules and watchdog timer
Clock Sources
- Internal oscillators: 24.5 MHz, 2% accuracy
supports UART operation; 20 MHz low power
oscillator requires very little bias current.
- External oscillator: Crystal, RC, C, or CMOS Clock
- SmaRTClock oscillator: 32 kHz Crystal or internal
- Can switch between clock sources on-the-fly; useful
in implementing various power saving modes
On-Chip Debug
- On-chip debug circuitry facilitates full-speed, non-
intrusive in-system debug (no emulator required)
- Provides breakpoints, single stepping
- Inspect/modify memory and registers
- Complete development kit
Packages
- 20-pin QFN (3 x 3 mm)
- 24-pin QFN (4 x 4 mm)
- 24-pin QSOP (easy to hand-solder)
Temperature Range: –40 to +85 °C
ANALOG PERIPHERALS
DIGITAL I/O
A 12/10-bit
M 75/300 ksps IREF
U
X
ADC
TEMP
VREF
SENSOR VREG
Capacitive
Sense
+
VOLTAGE
COMPARATOR
UART
SMBus
SPI
PCA
Timer 0
Timer 1
Timer 2
Timer 3
CRC
Port 0
Port 1
Port 2
24.5 MHz PRECISION
INTERNAL OSCILLATOR
20 MHz LOW POWER
INTERNAL OSCILLATOR
External Oscillator
HARDWARE smaRTClock
HIGH-SPEED CONTROLLER CORE
8/4/2 kB
ISP FLASH
FLEXIBLE
INTERRUPTS
8051 CPU
(25 MIPS)
DEBUG
CIRCUITRY
512B SRAM
POR WDT
Rev. 1.0 11/10
Copyright © 2010 by Silicon Laboratories
C8051F99x-C8051F98x
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C8051F989 Даташит, Описание, Даташиты
C8051F99x-C8051F98x
Table of Contents
1. System Overview.................................................................................................... 17
1.1. CIP-51™ Microcontroller Core.......................................................................... 25
1.1.1. Fully 8051 Compatible.............................................................................. 25
1.1.2. Improved Throughput ............................................................................... 25
1.1.3. Additional Features .................................................................................. 25
1.2. Port Input/Output............................................................................................... 26
1.3. Serial Ports ....................................................................................................... 27
1.4. Programmable Counter Array ........................................................................... 27
1.5. SAR ADC with 16-bit Auto-Averaging Accumulator and Autonomous
Low Power Burst Mode..................................................................................... 28
1.6. Programmable Current Reference (IREF0) ...................................................... 29
1.7. Comparator ....................................................................................................... 29
2. Ordering Information.............................................................................................. 31
3. Pinout and Package Definitions............................................................................ 32
4. Electrical Characteristics....................................................................................... 46
4.1. Absolute Maximum Specifications .................................................................... 46
4.2. Electrical Characteristics................................................................................... 47
5. SAR ADC with 16-bit Auto-Averaging Accumulator and
Autonomous Low Power Burst Mode................................................................... 64
5.1. Output Code Formatting ................................................................................... 65
5.2. Modes of Operation .......................................................................................... 66
5.2.1. Starting a Conversion............................................................................... 66
5.2.2. Tracking Modes........................................................................................ 67
5.2.3. Burst Mode ............................................................................................... 68
5.2.4. Settling Time Requirements ..................................................................... 69
5.2.5. Gain Setting.............................................................................................. 70
5.3. 8-Bit Mode......................................................................................................... 70
5.4. 12-Bit Mode (C8051F980/6 and C8051F990/6 devices only)........................... 70
5.5. Low Power Mode .............................................................................................. 70
5.6. Programmable Window Detector ...................................................................... 78
5.6.1. Window Detector In Single-Ended Mode ................................................. 80
5.6.2. ADC0 Specifications................................................................................. 80
5.7. ADC0 Analog Multiplexer.................................................................................. 81
5.8. Temperature Sensor ......................................................................................... 83
5.8.1. Calibration ................................................................................................ 84
5.9. Voltage and Ground Reference Options........................................................... 86
5.10.External Voltage Reference.............................................................................. 87
5.11.Internal Voltage Reference............................................................................... 87
5.12.Analog Ground Reference................................................................................ 87
5.13.Temperature Sensor Enable ............................................................................ 87
5.14.Voltage Reference Electrical Specifications ..................................................... 88
6. Programmable Current Reference (IREF0) .......................................................... 89
6.1. PWM Enhanced Mode ...................................................................................... 89
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C8051F989 Даташит, Описание, Даташиты
C8051F99x-C8051F98x
6.2. IREF0 Specifications......................................................................................... 90
7. Comparator ............................................................................................................. 91
7.1. Comparator Inputs ............................................................................................ 91
7.2. Comparator Outputs ......................................................................................... 92
7.3. Comparator Response Time............................................................................. 92
7.4. Comparator Hysteresis ..................................................................................... 92
7.5. Comparator Register Descriptions.................................................................... 93
7.6. Comparator0 Analog Multiplexer ...................................................................... 96
8. Capacitive Sense (CS0).......................................................................................... 98
8.1. Configuring Port Pins as Capacitive Sense Inputs ........................................... 99
8.2. Initializing the Capacitive Sensing Peripheral ................................................... 99
8.3. Capacitive Sense Start-Of-Conversion Sources............................................... 99
8.4. CS0 Multiple Channel Enable ......................................................................... 100
8.5. CS0 Gain Adjustment ..................................................................................... 100
8.6. Wake from Suspend ....................................................................................... 100
8.7. Using CS0 in Applications that Utilize Sleep Mode......................................... 100
8.8. Automatic Scanning (Method 1—CS0SMEN = 0) .......................................... 101
8.9. Automatic Scanning (Method 2—CS0SMEN = 1) .......................................... 102
8.10.CS0 Comparator............................................................................................. 102
8.11.CS0 Conversion Accumulator ........................................................................ 103
8.12.CS0 Pin Monitor ............................................................................................. 104
8.13.Adjusting CS0 For Special Situations............................................................. 105
8.14.Capacitive Sense Multiplexer ......................................................................... 116
9. CIP-51 Microcontroller ......................................................................................... 118
9.1. Performance ................................................................................................... 118
9.2. Programming and Debugging Support ........................................................... 119
9.3. Instruction Set ................................................................................................. 119
9.3.1. Instruction and CPU Timing ................................................................... 119
9.4. CIP-51 Register Descriptions.......................................................................... 124
10. Memory Organization........................................................................................... 127
10.1.Program Memory............................................................................................ 128
10.1.1.MOVX Instruction and Program Memory ............................................... 128
10.2.Data Memory .................................................................................................. 128
10.2.1.Internal RAM .......................................................................................... 128
10.2.2.External RAM ......................................................................................... 129
11. On-Chip XRAM...................................................................................................... 130
11.1.Accessing XRAM............................................................................................ 130
11.1.1.16-Bit MOVX Example ........................................................................... 130
11.1.2.8-Bit MOVX Example ............................................................................. 130
12. Special Function Registers ................................................................................. 131
12.1.SFR Paging .................................................................................................... 132
13. Interrupt Handler .................................................................................................. 137
13.1.Enabling Interrupt Sources ............................................................................. 137
13.2.MCU Interrupt Sources and Vectors............................................................... 137
13.3.Interrupt Priorities ........................................................................................... 138
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