參數(shù)資料
型號: UPD78218AGC
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 24/66頁
文件大?。?/td> 510K
代理商: UPD78218AGC
24
μ
PD78217A, 78218A
3.6
SERIAL INTERFACE
The
μ
PD78217A/78218A has two independent serial interfaces.
Asynchronous serial interface (UART)
Clock synchronous serial interface (CSI)
3-wire serial I/O
Serial bus interface (SBI)
Therefore, communication with external devices and local communication inside the system can be performed
simultaneously (See
Fig. 3-6
).
Fig. 3-6 Serial Interface Example
(a) UART + SBI
(b) UART + 3-wire serial I/O
μ
PD78218A (Master)
Note
Handshake Line
μ
PD78218A (Master)
V
DD
[UART]
RS-232-C
Driver
PD4711A
μ
R
X
D
T
X
D
Port
SB0
SCK
[SBI]
SB0
SCK
PD75402A (Slave)
μ
SB0
SCK
PD75328 (Slave)
μ
LCD
[UART]
RS-232-C
Driver
PD4711A
μ
R
X
D
T
X
D
Port
SI
SCK
SO
INTPm
Port
PD78C11A (Slave)
μ
[3-Wire Serial I/O]
SO
SCK
SI
Port
INT
PD78C14 (Slave)
μ
SI
SCK
SO
Port
INT
INTPn
Port
Note
Note
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