參數(shù)資料
型號: UPD780701Y
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): 21/66頁
文件大小: 565K
代理商: UPD780701Y
μ
PD78F0034A, 78F0034AY
21
Data Sheet U14040EJ4V0DS
Table 6-2. List of Communication Mode (
μ
PD78F0034AY)
Communication Mode
Channels
Pin Used
V
PP
Pulses
3-wire serial I/O
1
SI30/P20
SO30/P21
SCK30/P22
0
I
2
C bus
1
SDA0/P32
SCL0/P33
4
UART
1
RxD0/P23
TxD0/P24
8
Pseudo 3-wire serial I/O
1
P72/TI50/TO50
(serial clock input)
P71/TI01
(serial data output)
P70/TI00/TO0
(serial data input)
12
Caution Be sure to select a communication mode using the number of V
PP
pulses shown in Table 6-2.
Figure 6-1. Format of Communication Mode Selection
10 V
V
PP
pulses
Flash write mode
V
PP
RESET
V
DD
V
SS
V
DD
V
SS
1
2
n
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