參數(shù)資料
型號(hào): IA8344
廠商: Innovasic Semiconductor
英文描述: SDLC COMMUNICATIONS CONTROLLER
中文描述: SDLC的通信控制器
文件頁(yè)數(shù): 15/49頁(yè)
文件大?。?/td> 220K
代理商: IA8344
IA8044/IA8344
Data Sheet
SDLC COMMUNICATIONS CONTROLLER
Port 3 (P3):
General purpose, 8-bit I/O port with pullups and auxiliary functions. Bits on this port also
functions as the SIU data transmit/receive I/O, external interrupt inputs, timer inputs and the read
and write strobes for external memory accesses.
P3
Bit: 7
6
5
4
RD
WR
T1
T0
P3.0
RxD
Serial input pin.
P3.1
TxD
Serial output pin.
P3.2
INT0
External interrupt 0.
P3.3
INT1
External interrupt 1.
P3.4
T0
Timer/Counter 0 external input.
P3.5
T1
Timer/Counter 1 external input.
P3.6
WR
External Data Memory write strobe, active LOW.
P3.7
RD
External Data Memory read strobe, active LOW.
Copyright
2003
innov
ASIC
The End of Obsolescence
ENG210010112-00
www.innovasic.com
Customer Support:
Page 15 of 49
1-888-824-4184
3
2
1
0
INT1
INT0
TxD
RxD
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