파트넘버.co.kr 87C51 데이터시트 PDF


87C51 반도체 회로 부품 판매점

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V/ low power/ high speed 33 MHz



NXP Semiconductors 로고
NXP Semiconductors
87C51 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
80C31/80C51/87C51
CMOS single-chip 8-bit microcontrollers
Product specification
IC20 Data Handbook
1996 Aug 16
Philips
Semiconductors


87C51 데이터시트, 핀배열, 회로
Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Product specification
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.
FEATURES
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
Memory addressing capability
64k ROM and 64k RAM
Power control modes:
Idle mode
Power-down mode
CMOS and TTL compatible
Five speed ranges at VCC = 5V
12MHz
16MHz
24MHz
33MHz
Five package styles
Extended temperature ranges
OTP package available
PIN CONFIGURATIONS
P1.0 1
P1.1 2
40 VCC
39 P0.0/AD0
P1.2 3
38 P0.1/AD1
P1.3 4
37 P0.2/AD2
P1.4 5
36 P0.3/AD3
P1.5 6
35 P0.4/AD4
P1.6 7
34 P0.5/AD5
P1.7 8
33 P0.6/AD6
RST 9
RxD/P3.0 10
TxD/P3.1 11
INT0/P3.2 12
CERAMIC
AND
PLASTIC
DUAL
IN-LINE
PACKAGE
32 P0.7/AD7
31 EA/VPP
30 ALE/PROG
29 PSEN
INT1/P3.3 13
28 P2.7/A15
T0/P3.4 14
27 P2.6/A14
T1/P3.5 15
26 P2.5/A13
WR/P3.6 16
25 P2.4/A12
RD/P3.7 17
24 P2.3/A11
XTAL2 18
23 P2.2/A10
XTAL1 19
22 P2.1/A9
VSS 20
21 P2.0/A8
6 1 40
7 39
CERAMIC
AND
PLASTIC
LEAD
CHIP
CARRIER
17 29
18 28
44 34
1 33
PLASTIC
QUAD
FLAT
PACK
11 23
12 22
SEE PAGE 3 FOR QFP AND LCC PIN FUNCTIONS.
SU00001
1996 Aug 16
2 853–0169 17187




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87C51 controller

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