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P87C654 Datasheet Preview

P87C654 Datasheet

CMOS single-chip 8-bit microcontroller

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INTEGRATED CIRCUITS
87C654
CMOS single-chip 8-bit microcontroller
Product specification
IC20 Data Handbook
1996 Aug 16
Philips
Semiconductors




Philips

P87C654 Datasheet Preview

P87C654 Datasheet

CMOS single-chip 8-bit microcontroller

No Preview Available !

Philips Semiconductors
CMOS single-chip 8-bit microcontroller
Product specification
87C654
DESCRIPTION
The 87C654 Single-Chip 8-Bit Microcontroller
is manufactured in an advanced CMOS
process and is a derivative of the 80C51
microcontroller family. The 87C654 has the
same instruction set as the 80C51. Two
versions of the derivative exist:
83C654—16k bytes mask programmable
ROM
87C654—EPROM version
This device provides architectural
enhancements that make it applicable in a
variety of applications for general control
systems. The 87C654 contains a non-volatile
16k × 8 EPROM, a volatile 256 × 8 read/write
data memory, four 8-bit I/O ports, two 16-bit
timer/event counters (identical to the timers of
the 80C51), a multi-source, two-priority-level,
nested interrupt structure, an I2C interface,
UART and on-chip oscillator and timing
circuits. For systems that require extra
capability, the 87C654 can be expanded
using standard TTL compatible memories
and logic.
The device also functions as an arithmetic
processor having facilities for both binary and
BCD arithmetic plus bit-handling capabilities.
The instruction set consists of over 100
instructions: 49 one-byte, 45 two-byte and 17
three-byte. With a 16MHz crystal, 58% of the
instructions are executed in 0.75µs and 40%
in 1.5µs. Multiply and divide instructions
require 3µs.
FEATURES
80C51 central processing unit
16k × 8 EPROM expandable externally to
64k bytes
256 × 8 RAM, expandable externally to
64k bytes
Two standard 16-bit timer/counters
Four 8-bit I/O ports
I2C-bus serial I/O port with byte oriented
master and slave functions
Full-duplex UART facilities
Power control modes
Idle mode
Power-down mode
Five package styles
Extended temperature range
OTP package available
Two speed ranges
16MHz
20MHz
PIN CONFIGURATIONS
P1.0 1
P1.1 2
P1.2 3
P1.3 4
P1.4 5
P1.5 6
SCL/P1.6 7
SDA/P1.7 8
RST 9
RxD/P3.0 10
TxD/P3.1 11
INT0/P3.2 12
INT1/P3.3 13
T0/P3.4 14
T1/P3.5 15
WR/P3.6 16
RD/P3.7 17
XTAL2 18
XTAL1 19
VSS 20
40 VCC
39 P0.0/AD0
38 P0.1/AD1
37 P0.2/AD2
36 P0.3/AD3
35 P0.4/AD4
34 P0.5/AD5
33 P0.6/AD6
CERAMIC
AND
PLASTIC
DUAL
IN-LINE
PACKAGE
32 P0.7/AD7
31 EA/VPP
30 ALE/PROG
29 PSEN
28 P2.7/A15
27 P2.6/A14
26 P2.5/A13
25 P2.4/A12
24 P2.3/A11
23 P2.2/A10
22 P2.1/A9
21 P2.0/A8
6 1 40
7 39
CERAMIC
AND PLASTIC
LEADED
CHIP
CARRIER
17 29
18 28
44 34
1 33
PLASTIC
QUAD
FLAT
PACK
11 23
12 22
SU00259
1996 Aug 16
2 853–1689 17192


Part Number P87C654
Description CMOS single-chip 8-bit microcontroller
Maker Philips
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P87C654 Datasheet PDF






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