參數(shù)資料
型號: UPD784031A
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16/8-BIT單片機
文件頁數(shù): 36/90頁
文件大?。?/td> 377K
代理商: UPD784031A
μ
PD784031
36
8.8 Serial Interface
Three independent serial interface channels are incorporated.
Asynchronous serial interface (UART)/three-wire serial I/O (IOE)
×
2
Synchronous serial interface (CSI)
×
1
Three-wire serial I/O (IOE)
Two-wire serial I/O (IOE)
So, communication with points external to the system and local communication within the system can be performed
at the same time. (See
Figure 8-9
.)
Figure 8-9. Example Serial Interfaces
INT
SCK0
SB0
V
DD
SI
SO
SCK
Port
INT
Port
[Two-wire serial I/O]
UART + Three-wire serial I/O + Two-wire serial I/O
[Three-wire serial I/O]
RS-232-C
driver/receiver
Port
RxD
TxD
SO1
SI1
SCK1
INTPm
Port
SDA
SCL
INTPn
Port
Note
Note
PD75108 (slave)
μ
PD784031 (master)
μ
PD4711A
μ
PD78014 (slave)
μ
V
DD
(UART)
Note
Handshake line
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