參數(shù)資料
型號(hào): 935266845112
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PDIP20
封裝: 0.300 INCH, PLASTIC, DIP-20
文件頁數(shù): 32/58頁
文件大?。?/td> 312K
代理商: 935266845112
Philips Semiconductors
Preliminary specification
87LPC764
Low power, low price, low pin count (20 pin)
microcontroller with 4 kB OTP
2000 Jun 01
35
80C51 INTERNAL BUS
SU01178
80C51 INTERNAL BUS
WRITE
TO
SBUF
ZERO DETECTOR
RxD
P1.1 ALT
OUTPUT
FUNCTION
TX CONTROL
S
TX CLOCK
START
Q
CL
D
SERIAL PORT
INTERRUPT
SHIFT
CLOCK
SHIFT
SEND
S6
RXD
P1.1 ALT
INPUT
FUNCTION
LOAD
SBUF
TI
INPUT SHIFT REGISTER
START
RI
RECEIVE
SHIFT
TX CLOCK
RX CONTROL
REN
RI
SBUF
READ
SBUF
TRANSMIT
TxD
P1.0 ALT
OUTPUT
FUNCTION
SEND
RXD (DATA OUT)
D0
D1
D5
D2
D6
D3
D4
D7
TXD (SHIFT CLOCK)
SHIFT
S1 ... S6
WRITE TO SBUF
TI
RECEIVE
D0
D1
D5
D2
D6
D3
D4
D7
TxD (SHIFT CLOCK)
SHIFT
WRITE TO SCON (CLEAR RI)
RI
RxD (DATA IN)
1
111
11
0
Figure 29. Serial Port Mode 0
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