87C528 PDF даташит
Спецификация 87C528 изготовлена «NXP Semiconductors» и имеет функцию, называемую «80C51 8-bit microcontrollers 16K/32K/ 512 OTP/ I2C/ watchdog timer». |
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Детали детали
Номер произв | 87C528 |
Описание | 80C51 8-bit microcontrollers 16K/32K/ 512 OTP/ I2C/ watchdog timer |
Производители | NXP Semiconductors |
логотип |
26 Pages
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INTEGRATED CIRCUITS
87C524/87C528
80C51 8-bit microcontrollers
16K/32K, 512 OTP, I2C, watchdog timer
Product specification
Replaces data sheets 87C524 of 1998 May 01 and 87C528 of 1998 May 01
IC28 Data Handbook
1999 Jul 23
Philips
Semiconductors
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Philips Semiconductors
80C51 8-bit microcontrollers
16K/32K, 512 OTP, I2C, watchdog timer
Product specification
87C524/87C528
DESCRIPTION
The 87C528 single-chip 8-bit microcontroller is manufactured in an
advanced CMOS process and is a derivative of the 80C51
microcontroller family. The 87C528 has the same instruction set as
the 80C51. Three versions of the derivative exist:
• 83C528—32k bytes ROM
• 83C524—16k bytes ROM
• 80C528—ROMless version of the 83C528
• 87C528—32k bytes EPROM
• 83C524—16k bytes EPROM
This device provides architectural enhancements that make it
applicable in a variety of applications in consumer, telecom and
general control systems, especially in those systems which need
large ROM and RAM capacity on-chip.
The 87C528 contains a 32k × 8 EPROM and the 87C524 contains a
16k x 8 EPROM. Both devices have a 512 × 8 RAM, four 8-bit I/O
ports, two 16-bit timer/event counters (identical to the timers of the
80C51), a 16-bit timer (identical to the timer 2 of the 80C52), a
watchdog timer with a separate oscillator, a multi-source,
two-priority-level, nested interrupt structure, two serial interfaces
(UART and I2C-bus), and on-chip oscillator and timing circuits.
In addition, the 87C524/87C528 has two software selectable modes
of power reduction—idle mode and power-down mode. The idle
mode freezes the CPU while allowing the RAM, timers, serial port,
and interrupt system to continue functioning. The power-down mode
saves the RAM contents but freezes the oscillator, causing all other
chip functions to be inoperative.
FEATURES
• 80C51 instruction set
– 512 × 8 RAM
– Memory addressing capability
64k ROM and 64k RAM
– Three 16-bit counter/timers
– On-chip watchdog timer with oscillator
– Full duplex UART
– I2C serial interface
• Power control modes:
– Idle mode
– Power-down mode
– Warm start from power-down
• CMOS and TTL compatible
• Extended temperature ranges
• EPROM code protection
• OTP package available
• 16 MHz speed at VCC = 5 V
ORDERING INFORMATION
EPROM
TEMPERATURE oC RANGE
AND PACKAGE
P87C528EBP N
0 to +70, Plastic Dual In-line Package
P87C528EBA A
0 to +70, Plastic Leaded Chip Carrier
P87C528EBB B
0 to +70, Plastic Quad Flat Pack
P87C528EFP N
–40 to +85, Plastic Dual In-line Package
P87C528EFB B
–40 to +85, Plastic Quad Flat Pack
P87C524EBA A
0 to +70, Plastic Leaded Chip Carrier
P87C524EBB B
0 to +70, Plastic Quad Flat Pack
NOTE:
1. For ROM & ROMless devices, see data sheet P8X524/528.
FREQ
(MHz)
16
16
16
16
16
16
16
Drawing
Number
SOT129-1
SOT187-2
SOT307-2
SOT129-1
SOT307-2
SOT187-2
SOT307-2
1999 Jul 23
2 853-1687 22041
No Preview Available ! |
Philips Semiconductors
80C51 8-bit microcontrollers
16K/32K, 512 OTP, I2C, watchdog timer
Product specification
87C524/87C528
BLOCK DIAGRAM
FREQUENCY
REFERENCE
XTAL2 XTAL1
OSCILLATOR
AND
TIMING
PROGRAM
MEMORY
(32K x 8
EPROM)
RAM
DATA
MEMORY
(256 x 8)
AUX–RAM
DATA
MEMORY
(256 x 8)
COUNTERS
T0 T1
T2 T2EX
RST
TWO 16-BIT
TIMER/EVENT
COUNTERS
16-BIT TIMER/
EVENT COUNTER
WATCHDOG
TIMER
CPU
INTERNAL
INTERRUPTS
64K-BYTE BUS
EXPANSION
CONTROL
INT0 INT1
EXTERNAL
INTERRUPTS
CONTROL
PROGRAMMABLE I/O
PROGRAMMABLE
SERIAL PORT
FULL DUPLEX UART
SYNCHRONOUS SHIFT
BIT-LEVEL
I2C
INTERFACE
PARALLEL PORTS,
ADDRESS/DATA BUS
AND I/O PINS
SERIAL IN
SERIAL OUT
SHARED WITH
PORT 3
SDA SCL
LOGIC SYMBOL
VDD
XTAL1
VSS
XTAL2
RxD
TxD
INT0
INT1
T0
T1
WR
RD
RST
EA
PSEN
ALE
ADDRESS AND
DATA BUS
T2
T2EX
SCL
SDA
ADDRESS BUS
SU00165
SU00166
1999 Jul 23
3
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