参数资料
型号: MCC68HC711D3
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, UUC
封装: DIE
文件页数: 130/157页
文件大小: 2252K
代理商: MCC68HC711D3
Serial Communications Interface (SCI)
Data Sheet
MC68HC711D3 — Rev. 2
74
Serial Communications Interface (SCI)
MOTOROLA
Figure 6-1. SCI Transmitter Block Diagram
FE
NF
OR
IDL
E
RD
RF
TC
T
DRE
SCSR INTERRUPT STATUS
SBK
RWU
RE
TE
IL
IE
RIE
TCI
E
TI
E
SCCR2 SCI CONTROL 2
TRANSMITTER
CONTROL LOGIC
TCIE
TC
TIE
TDRE
SCI Rx
REQUESTS
SCI INTERRUPT
REQUEST
INTERNAL
DATA BUS
PIN BUFFER
AND CONTROL
H (8) 76543210L
10 (11) - BIT Tx SHIFT REGISTER
DDD1
PD1
TxD
SCDR Tx BUFFER
TRANSF
ER
Tx
BUFFE
R
SHIF
T
E
NABLE
JAM
ENABL
E
PREAMB
LE—JAM
1s
BRE
AK—
JA
M
0
s
(WRITE ONLY)
FORCE PIN
DIRECTION (OUT)
SI
ZE
8/9
WAKE
M
T8
R8
SCCR1 SCI CONTROL 1
TRANSMITTER
BAUD RATE
CLOCK
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