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PDF 68HC05G3 Data sheet ( Hoja de datos )
| Número de pieza | 68HC05G3 | |
| Descripción | microcontroller | |
| Fabricantes | Freescale Semiconductor | |
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Freescale Semiconductor, Inc.
HC05G3GRS/D
REV 1.1
68HC05G3
68HC705G4
SPECIFICATION
(General Release)
© December 14, 1994
For More Information On This Product,
Go to: www.freescale.com
1 page  
Freescale SemicMoCn6d8HuCc0t5oGr3, (I7n0c5G. 4) Specification Rev. 1.1
6.8
6.8.1
6.8.2
6.9
6.9.1
PORT H ....................................................................................67
PORT H DATA REGISTER (PORTH) .................................67
PORT H DATA DIRECTION REGISTER (DDRH) ..............68
PORT J .....................................................................................68
PORT J DATA REGISTER (PORTJ) ..................................68
SECTION 7 SERIAL PERIPHERAL INTERFACE (SPI) ................... 69
7.1
7.2
7.2.1
7.3
7.3.1
7.3.2
7.4
7.4.1
7.4.2
7.4.3
7.5
FEATURES...............................................................................69
FUNCTIONAL DESCRIPTIONS ...............................................69
INTERNAL BLOCK DESCRIPTIONS .................................70
SIGNAL DESCRIPTIONS.........................................................72
SPI DATA I/O (SDI and SDO) .............................................72
SERIAL CLOCK (SCK) .......................................................73
REGISTERS .............................................................................73
SERIAL PERIPHERAL CONTROL REGISTER (SPCRx)...74
SERIAL PERIPHERAL STATUS REGISTER (SPSRx) ......76
SERIAL PERIPHERAL DATA REGISTER (SPDRx)...........78
PORT FUNCTION ....................................................................79
SECTION 8 TIMER SYSTEM............................................................. 81
8.1
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.1.6
8.1.7
8.2
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
TIMER 1....................................................................................81
COUNTER...........................................................................82
OUTPUT COMPARE REGISTER .......................................83
INPUT CAPTURE REGISTER ............................................84
TIMER CONTROL REGISTER (TCR) $12 .........................85
TIMER STATUS REGISTER (TSR) $13 .............................86
TIMER DURING WAIT MODE ............................................87
TIMER DURING STOP MODE ...........................................87
TIMER 2....................................................................................88
PRESCALER ............................................................................92
TIMER I/O PINS .......................................................................92
TIMER INPUT 1 (TCAP) .....................................................92
TIMER INPUT 2 (EVI) .........................................................93
TIMER OUTPUT 1 (TCMP) .................................................95
TIMER OUTPUT 2 (EVO) ...................................................95
TIMER REGISTERS.................................................................97
TIMER CONTROL REGISTER 2 (TCR2) ...........................97
TIMER STATUS REGISTER 2 (TSR2) ...............................99
OUTPUT COMPARE REGISTER 2 (OC2) .......................100
TIMER COUNTER 2 (TCNT2) ..........................................100
TIMER BASE CONTROL REGISTER 1 (TBCR1) ............101
SECTION 9
9.1
9.2
9.3
9.4
PULSE WIDTH MODULATOR .................................... 103
GENERAL...............................................................................103
PWM CONTROL REGISTER (PWMCR)................................105
PWM DUTY REGISTER (PWMDRx)......................................105
PWM COUNTER (PWMCNT).................................................106
For More Information On This Product,
Go to: www.freescale.com
Page v
5 Page 
Freescale SemicMoCn6d8HuCc0t5oGr3, (I7n0c5G. 4) Specification Rev. 1.1
SECTION 1
INTRODUCTION
1.1 GENERAL
The MC68HC05G3 (705G4) is an 80-pin microcontroller unit (MCU) with highly
sophisticated on-chip peripheral functions. The memory map of MC68HC05G3 (ROM
device) includes 24 Kbytes of user ROM and 768 bytes of RAM. The memory map of
MC68HC705G4 erasable programmable read-only memory (EPROM device) includes 32
Kbytes of user EPROM and 1 Kbyte of RAM. The MCU has nine ports: A, B, C, D, E, F, G,
H, and J. Ports A, C, D, E, G, and H each have eight input-output (I/O) pins, ports B and F
each have eight input-only pins, and port J has four output-only pins. The MC68HC05G3
includes a time-based circuit, 8- and 16-bit timers, an 8-bit pulse width modulator, a
computer operating properly (COP) watchdog timer, an 8-bit analog/digital (A/D) converter,
eight key wakeup interrupts, and two serial peripheral interfaces.
1.2 FEATURES
• Low Cost
• HC05 Core
• 80-Pin Quad Flat Package (QFP)
• 24,592 Bytes of Mask ROM or 32,784 Bytes of EPROM (Including 16
Bytes of User Vectors)
• 768 Bytes (ROM Device) or 1024 Bytes (EPROM Device) of On-Chip
RAM
• 48 Bidirectional I/O Lines, 16 Input-Only Lines, Four Output-Only Lines
• 16-Bit Timer with Output Compare and Input Capture
• 8-Bit Event Counter/Modulus Clock Divider
• COP Watchdog Timer
• Two Serial Peripheral Interfaces (SPI)
• Four Channels of 8-bit Pulse Width Modulator (PWM)
• Eight Channels of 8-Bit A/D Converter
• On-Chip Time-Based Circuits
• DualOscillatorsandSelectableSystemClockFrequency
• Power-Saving Stop Mode/Wait Mode
• Time Base Interrupts
• Two IRQ Inputs
• Key Wakeup Interrupt with 8-Bit Inputs
Section 1: INTRODUCTION
For More Information On This Product,
Go to: www.freescale.com
Page 1
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet 68HC05G3.PDF ] | |
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