參數(shù)資料
型號(hào): 87LPC768
廠商: NXP Semiconductors N.V.
英文描述: Low power, low price, low pin count(20 pin) microcontroller with 4 kB OTP and 8-bit A/D,and Pulse Width Modulator(帶4 kB OTP、8位A/D和脈寬調(diào)節(jié)的低功耗,低價(jià)格,少引腳(20引腳)的微控制器)
中文描述: 低功耗,低價(jià)格,低引腳數(shù)(20針)與4 KB的OTP和8位A / D和脈寬調(diào)制器(帶4 KB的檢察官辦公室,8位A / D轉(zhuǎn)換和脈寬調(diào)節(jié)的低功耗微控制器,低價(jià)格,少引腳(20引腳)的微控制器)
文件頁數(shù): 49/66頁
文件大小: 314K
代理商: 87LPC768
Philips Semiconductors
Preliminary specification
87LPC768
Low power, low price, low pin count (20 pin) microcontroller with
4 kB OTP 8-bit A/D, Pulse Width Modulator
2000 May 02
47
START
BIT
SU01180
80C51 INTERNAL BUS
WRITE TO SBUF
SBUF
ZERO DETECTOR
TxD
P1.0 ALT OUTPUT
FUNCTION
TX CONTROL
S
TX CLOCK
START
Q
CL
D
SERIAL PORT INTERRUPT
SHIFT
SEND
LOAD
SBUF
TI
INPUT SHIFT REGISTER
START
RI
LOAD SBUF
SHIFT
RX
CLOCK
1FFH
RX CONTROL
SBUF
READ
SBUF
RxD
P1.1 ALT
INPUT
FUNCTION
80C51 INTERNAL BUS
DATA
TB8
÷
16
÷
16
÷
2
PHASE 2 CLOCK
(1/2 f
OSC
)
1-TO-0
TRANSITION
DETECTOR
BIT DETECTOR
STOP BIT GEN.
SMOD1 = 0
SMOD1
= 1
TRANSMIT
START
BIT
STOP BIT
TX CLOCK
WRITE TO SBUF
SEND
DATA
SHIFT
TxD
TI
D0
D1
D5
D2
D6
D3
D4
D7
RECEIVE
RX CLOCK
SHIFT
RI
BIT DETECTOR SAMPLE TIMES
STOP BIT
RxD
D0
D1
D5
D2
D6
D3
D4
D7
÷
16 RESET
TB8
STOP BIT GEN.
RB8
Figure 34. Serial Port Mode 2
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