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Part: PCB80C51BH-3WP
Category:
Microcontrollers
Description: CMOS Single-chip 8-bit Microcontrollers
Company: Philips Semiconductors
Datasheet: Download PCB80C51BH-3WP datasheet File size : 192 kB
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Datasheet text preview:
INTEGRATED CIRCUITS
80C31/80C51/87C51 CMOS single-chip 8-bit microcontrollers
Product specification IC20 Data Handbook 1996 Aug 16
Philips Semiconductors
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 × 8 ROM (80C51) EPROM (87C51), a 128 × 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--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.
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/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
FEATURES
T1/P3.5 15 WR/P3.6 16 RD/P3.7 17 XTAL2 18 XTAL1 19 VSS 20
· 8031/8051 compatible
4k × 8 ROM (80C51) 4k × 8 EPROM (87C51) ROMless (80C31) 128 × 8 RAM Two 16-bit counter/timers Full duplex serial channel Boolean processor
6
1
40
· Memory addressing capability
64k ROM and 64k RAM
7 CERAMIC AND PLASTIC LEAD CHIP CARRIER
39
· Power control modes:
Idle mode Power-down mode
17
29
· CMOS and TTL compatible · Five speed ranges at VCC = 5V
12MHz 16MHz 24MHz 33MHz
1
18
28
44
34
33 PLASTIC QUAD FLAT PACK
· Five package styles · Extended temperature ranges · OTP package available
11
23
12
22
SU00001
SEE PAGE 3 FOR QFP AND LCC PIN FUNCTIONS.
1996 Aug 16
2
8530169 17187
Philips Semiconductors
Product specification
CMOS single-chip 8-bit microcontrollers
80C31/80C51/87C51
CERAMIC AND PLASTIC LEADED CHIP CARRIER PIN FUNCTIONS
6 1 40
PLASTIC QUAD FLAT PACK PIN FUNCTIONS
44 34
7
39 1 LCC 33
PQFP
17
29
11
23
18
28
12 Pin 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Function P2.7/A15 PSEN ALE/PROG NC* EA/VPP P0.7/AD7 P0.6/AD6 P0.5/AD5 P0.4/AD4 P0.3/AD3 P0.2/AD2 P0.1/AD1 P0.0/AD0 VCC Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Function P1.5 P1.6 P1.7 RST P3.0/RxD NC* P3.1/TxD P3.2/INT0 P3.3/INT1 P3.4/T0 P3.5/T1 P3.6/WR P3.7/RD XTAL2 XTAL1 Pin 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Function V SS NC* P2.0/A8 P2.1/A9 P2.2/A10 P2.3/A11 P2.4/A12 P2.5/A13 P2.6/A14 P2.7/A15 PSEN
22 Pin 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Function P0.6/AD6 P0.5/AD5 P0.4/AD4 P0.3/AD3 P0.2/AD2 P0.1/AD1 P0.0/AD0 VCC NC* P1.0 P1.1 P1.2 P.13 P1.4
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Function NC* P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST P3.0/RxD NC* P3.1/TxD P3.2/INT0 P3.3/INT1
Pin 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Function P3.4/T0 P3.5/T1 P3.6/WR P3.7/RD XTAL2 XTAL1 V SS NC* P2.0/A8 P2.1/A9 P2.2/A10 P2.3/A11 P2.4/A12 P2.5/A13 P2.6/A14
ALE/PROG NC* EA/VPP P0.7/AD7
* DO NOT CONNECT
SU00002
* DO NOT CONNECT
SU00003
LOGIC SYMBOL
V CC XTAL1 PORT 0 ADDRESS AND DATA BUS VSS
XTAL2
SECONDARY FUNCTIONS
RST EA/VPP PSEN ALE/PROG RxD TxD INT0 INT1 T0 T1 WR RD
PORT 3
PORT 2
PORT 1
ADDRESS BUS
SU00004
1996 Aug 16
3
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