參數(shù)資料
型號: UPD780824
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): 11/52頁
文件大?。?/td> 345K
代理商: UPD780824
11
μ
PD780232
Data Sheet U13415EJ2V0DS
3.3 Pin I/O Circuits and Recommended Connection of Unused Pins
The I/O circuit type of each pin and the recommended connection of unused pins are shown in Table 3-1.
For the I/O circuit configuration of each type, see
Figure 3-1
.
Table 3-1. Types of Pin I/O Circuits
Pin Name
I/O Circuit Type
I/O
Recommended Connection of Unused Pins
P00/INTP0
8-C
I/O
Input: Independently connect to V
SS0
via a resistor.
P01/INTP1
Output: Leave open.
P02/TI
P20/SCK3
Input: Independently connect to V
DD0
or V
SS0
via a resistor.
P21/SO3
Output: Leave open.
P22, P23
P24/BUSY
P25/SO1
P26/SI1
P27/SCK1
P30/FIP24 to P37/FIP31
14-F
Output
Leave open.
P40/FIP32 to P47/FIP39
P50/FIP40 to P57/FIP47
15-D
I/O
Input: Independently connect to V
DD0
or V
SS0
via a resistor.
P60/FIP48 to P64/FIP52
Output: Leave open.
FIP0 to FIP23
14-F
Output
Leave open.
RESET
2
Input
ANI0 to ANI3
7
Connect to V
DD0
or V
SS0
.
AV
DD
Connect to V
DD1
.
AV
SS
Connect to V
SS1
.
V
LOAD
IC
Connect directly to V
SS1
.
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