參數(shù)資料
型號(hào)： 708173R
英文描述： Step-Down Controllers with Synchronous Rectifier for CPU Power
中文描述： 集成電路8位CMOS處理器
文件頁(yè)數(shù)： 2/24頁(yè)
文件大?。?/td> 211K
代理商： 708173R
Philips Semiconductors
Product specification
83C751/87C751
80C51 8-bit microcontroller family
2K/64 OTP/ROM, I
2
C, low pin count
2
1998 May 01
853-0599 19326
DESCRIPTION
The Philips 83C751/87C751 offers the advantages of the 80C51
architecture in a small package and at low cost.
The 8XC751 Microcontroller is fabricated with Philips high-density
CMOS technology. Philips epitaxial substrate minimizes CMOS
latch-up sensitivity.
The 8XC751 contains a 2k
×
8 ROM (83C751) EPROM (87C751), a
64
×
8 RAM, 19 I/O lines, a 16-bit auto-reload counter/timer, a
five-source, fixed-priority level interrupt structure, a bidirectional
inter-integrated circuit (I
2
C) serial bus interface, and an on-chip
oscillator.
The on-board inter-integrated circuit (I
2
C) bus interface allows the
8XC751 to operate as a master or slave device on the I
2
C small
area network. This capability facilitates I/O and RAM expansion,
access to EEPROM, processor-to-processor communication, and
efficient interface to a wide variety of dedicated I
2
C peripherals.
FEATURES
80C51 based architecture
Inter-Integrated Circuit (I
2
C) serial bus interface
Small package sizes
–
24-pin DIP (300 mil “skinny DIP”)
–
24-pin Shrink Small Outline Package
–
28-pin PLCC
87C751 available in one-time programmable plastic packages
Wide oscillator frequency range
Low power consumption:
–
Normal operation: less than 11mA @ 5V, 12MHz
–
Idle mode
–
Power-down mode
2k
×
8 ROM (83C751)
2k
×
8 EPROM (87C751)
64
×
8 RAM
16-bit auto reloadable counter/timer
Fixed-rate timer
Boolean processor
CMOS and TTL compatible
Well suited for logic replacement, consumer and industrial
applications
LED drive outputs
PIN CONFIGURATIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
P3.4/A4
P3.3/A3
P3.2/A2/A10
P3.1/A1/A9
P3.0/A0/A8
P0.2/V
PP
P0.1/SDA/OE–PGM
RST
X2
X1
V
SS
P0.0/SCL/ASEL
P1.0/D0
P1.1/D1
P1.2/D2
P1.3/D3
P1.4/D4
P1.5/INT0/D5
P1.6/INT1/D6
P1.7/T0/D7
P3.7/A7
P3.6/A6
P3.5/A5
V
CC
PLASTIC
DUAL
IN-LINE
PACKAGE
AND
SHRINK
SMALL
OUTLINE
PACKAGE
PLASTIC
LEADED
CHIP
CARRIER
4
1
26
5
11
25
19
12
18
Pin
Function
P3.4/A4
P3.3/A3
P3.2/A2/A10
P3.1/A1/A9
NC*
P3.0/A0/A8
P0.2/V
P0.1/SDA/OE-PGM
P0.0//SCLASEL
1
2
3
4
5
6
7
8
9
SU00315
* DO NOT CONNECT
PinFunction
10
11
12
13
14
15
16
17
18
NC*
RST
X2
X1
V
P1.0/D0
P1.1/D1
P1.2/D2
P1.3/D3
Pin
19
20
21
22
23
24
25
26
27
28
Function
P1.4/D4
P1.5/INT0/D5
NC*
NC*
P1.6/INT1/D6
P1.7/T0/D7
P3.7/A7
P3.6/A6
P3.5/A5
V
CC
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