參數(shù)資料
型號: UPD178P018
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): 13/52頁
文件大小: 247K
代理商: UPD178P018
13
Data Sheet U12920EJ1V0DS00
μ
PD178F098
2.3 I/O Circuits of Pins and Recommended Connections of Unused Pins
Table 2-1 shows the types of the I/O circuits of the respective pins and the recommended connections of the pins
when they are not used.
For the configuration of the I/O circuit of each pin, refer to Figure 2-1.
Table 2-1. I/O Circuit Type of Each Pin (1/2)
Pin Name
I/O Circuit Type
I/O
Recommended Connection of Unused Pin
P00/INTP0-P07/INTP7
8
I/O
Input: Connect each of them to V
DD
, V
DD
PORT, GND0 to
GND2, or GNDPORT via resistor.
Output: Leave open.
P10/ANI0-P17/ANI7
25
Input
Connect these pins to V
DD
, V
DD
PORT, GND0 to GND2 or
GNDPORT.
P20/SI1
5-K
I/O
Input: Connect each of them to V
DD
, V
DD
PORT, GND0 to
GND2, or GNDPORT via resistor.
Output: Leave open.
P21/SO1
5
P22/SCK1
5-K
P23/STB
5
P24/BUSY
5-K
P25/SI0/SB0/SDA0
10-D
P26/SO0/SB1/SDA1
P27/SCK0/SCL
P30/VM45
5
P31/TO0
P32/TI00
5-K
P33/TI01
P34/TI50
P35/TI51
P36/BEEP0
5
P37/BUZ
P40-P47
P50-P57
P60-P67
P70/SI3
5-K
P71/SO3
5
P72/SCK3
5-K
P73
5
P74/RXD0
5-K
P75/TXD0
5
P76, P77
P100
P101/AMIFC
P102/FMIFC
P120/TX0
P121/RX0
5-K
P122-P124
5
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