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80C31X Datasheet

  • 80C31X

  • CMOS single-chip 8-bit microcontrollers

  • 22頁

  • PHILIPS

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Philips Semiconductors
Product specification
CMOS single-chip 8-bit microcontrollers
80C31/80C51/87C51
DESCRIPTION
The Philips 80C31/80C51/87C51 is a high-performance
microcontroller fabricated with Philips high-density CMOS
technology. The CMOS 8XC51 is functionally compatible with the
NMOS 8031/8051 microcontrollers. The Philips CMOS technology
combines the high speed and density characteristics of HMOS with
the low power attributes of CMOS. Philips epitaxial substrate
minimizes latch-up sensitivity.
The 8XC51 contains a 4k
脳
8 ROM (80C51) EPROM (87C51), a 128
脳
8 RAM, 32 I/O lines, two 16-bit counter/timers, a five-source,
two-priority level nested interrupt structure, a serial I/O port for either
multi-processor communications, I/O expansion or full duplex UART,
and on-chip oscillator and clock circuits.
In addition, the device has two software selectable modes of power
reduction鈥攊dle 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.
PIN CONFIGURATIONS
P1.0 1
P1.1 2
P1.2 3
P1.3 4
P1.4 5
P1.5 6
P1.6 7
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
CERAMIC
AND
PLASTIC
DUAL
IN-LINE
PACKAGE
40 V
CC
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
32 P0.7/AD7
31 EA/V
PP
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
FEATURES
T1/P3.5 15
WR/P3.6 16
RD/P3.7 17
XTAL2 18
XTAL1 19
V
SS
20
鈥?/div>
8031/8051 compatible
鈥?/div>
4k
脳
8 ROM (80C51)
鈥?/div>
4k
脳
8 EPROM (87C51)
鈥?/div>
ROMless (80C31)
鈥?/div>
128
脳
8 RAM
鈥?/div>
Two 16-bit counter/timers
鈥?/div>
Full duplex serial channel
鈥?/div>
Boolean processor
6
1
40
鈥?/div>
Memory addressing capability
鈥?/div>
64k ROM and 64k RAM
7
CERAMIC
AND
PLASTIC
LEAD
CHIP
CARRIER
39
鈥?/div>
Power control modes:
鈥?/div>
Idle mode
鈥?/div>
Power-down mode
17
29
鈥?/div>
CMOS and TTL compatible
鈥?/div>
Five speed ranges at V
CC
= 5V
鈥?/div>
12MHz
鈥?/div>
16MHz
鈥?/div>
24MHz
鈥?/div>
33MHz
1
18
28
44
34
33
PLASTIC
QUAD
FLAT
PACK
鈥?/div>
Five package styles
鈥?/div>
Extended temperature ranges
鈥?/div>
OTP package available
11
23
12
22
SU00001
SEE PAGE 3-6 FOR QFP AND LCC PIN FUNCTIONS.
1996 Aug 16
3-3
853鈥?169 17187

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