参数资料
型号: MC68HC11F1CPU4
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 14 MM, 1.40 MM HEIGHT, LQFP-80
文件页数: 151/162页
文件大小: 4554K
代理商: MC68HC11F1CPU4
SERIAL COMMUNICATIONS INTERFACE
MOTOROLA
TECHNICAL DATA
7-3
Figure 7-2 SCI Receiver Block Diagram
FE
NF
OR
IDLE
RDRF
TC
TDRE
SCSR1 SCI STATUS 1
SBK
RWU
RE
TE
ILIE
RIE
TCIE
TIE
SCCR2 SCI CONTROL 2
WAKE
M
T8
R8
WAKE-UP
LOGIC
RIE
OR
ILIE
IDLE
SCI Tx
REQUESTS
SCI INTERRUPT
REQUEST
INTERNAL
DATA BUS
PD0/
RxD
SCDR Rx BUFFER
STOP
(8) 76543210
10 (11) - BIT
Rx SHIFT REGISTER
(READ-ONLY)
SCCR1 SCI CONTROL 1
RIE
RDRF
START
MSB
ALL ONES
DATA
RECOVERY
÷16
RWU
RE
M
DISABLE
DRIVER
RECEIVER
BAUD RATE
CLOCK
8
PIN BUFFER
AND CONTROL
DDD0
F
re
e
sc
a
le
S
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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