參數(shù)資料
型號: S87C654-5
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C
中文描述: 80C51的8位微控制器8K/16K,256檢察官辦公室和I2C
文件頁數(shù): 3/24頁
文件大?。?/td> 195K
代理商: S87C654-5
Philips Semiconductors
Product specification
87C652/87C654
80C51 8-bit microcontroller
8K/16K, 256 OTP, I
2
C
1999 Jul 23
3
BLOCK DIAGRAM
64K BYTE BUS
CONTRTOL
PROG SERIAL PORT
SFULL DUPLEX UART
PROGRAMMABLE I/O
CPU
OSAND
TIMING
MEMORY
(16K x 8
EPROM)
MDATA
(256 x 8 RAM)
TTWO 16-BIT
COUNTERS
I
2
C SERIAL I/O
SDA
SCL
SWITH
PORT 1
T0
T1
COUNTERS
XTAL2
XTAL1
REFERENCE
INTERNAL
INTERRUPTS
INT0
INT1
IEXTERNAL
CONTROL
PARALLEL PORTS,
ADAND I/O PINS
SERIAL IN
SERIAL OUT
SHARED WITH
PORT 3
SU00271
LOGIC SYMBOL
P
P
P
P
A
D
A
V
SS
V
CC
A
F
RST
XTAL1
XTAL2
V
PP
/EA
PSEN
PROG/ALE
RxD
TxD
INT0
INT1
T0
T1
WR
RD
SCL
SDA
SU00262
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