參數(shù)資料
型號: UPD784054GCA1
廠商: NEC Corp.
英文描述: 16-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16位單片機
文件頁數(shù): 16/86頁
文件大?。?/td> 579K
代理商: UPD784054GCA1
μ
PD784054(A)
16
5.3 I/O Circuits of Pins and Processing of Unused Pins
Table 5-1 shows the I/O circuit type of each pin and recommended processing of the unused pins.
For the I/O circuit type, refer to
Figure 5-1
.
Table 5-1. I/O Circuit Type of Each Pin and Recommended Processing of Unused Pins
Pin Name
I/O Circuit Type
I/O
Recommended Connection of Unused Pins
P00-P03
5-A
I/O
Input: Individually connect to V
DD
or V
SS
via resistor.
P10-P12
5
Output: Leave unconnected.
P20/NMI
2
Input
Connect to V
SS
.
P21/INTP0/TO00
8
I/O
Input: Individually connect to V
DD
or V
SS
via resistor.
P22/INTP1/TO01
Output: Leave unconnected.
P23/INTP2/TO02
P24/INTP3/TO03
P25/INTP4
P26/INTP5
P27/INTP6
P30/TO10
5
P31/TO11
P32/RxD/SI1
P33/TxD/SO1
P34/ASCK/SCK1
8
P35/RxD2/SI2
5
P36/TxD2/SO2
P37/ASCK2/SCK2
8
P40/AD0-P47/AD7
5-A
P50/AD8-P57/AD15
P60/A16-P63/A19
P70/ANI0-P77/ANI7
9
Input
Connect to V
SS
.
P80/ANI8-P87/ANI15
P90/RD
5-A
I/O
Input: Individually connect to V
DD
or V
SS
via resistor.
P91/LWR
Output: Leave unconnected.
P92/HWR
P93/ASTB
P94/WAIT
MODE,MODE1
1
Input
Directly connect to V
SS
.
RESET
2
CLKOUT
3
Output
Leave unconnected.
AV
REF
Connect to V
SS
.
AV
SS
AV
DD
Connect to V
DD
.
Remark
The circuit type numbers are serial in the 78K series but are not always so with some models (because
some models are not provided with particular circuits).
相關(guān)PDF資料
PDF描述
UPD784224YGC 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784225YGC 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784225YGK 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784225GC 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784225GK 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD784218AGC-382-8EU-NRE-A 制造商:Renesas Electronics Corporation 功能描述:
UPD784218AGC-382-8EU-SES-A 制造商:Renesas Electronics Corporation 功能描述:
UPD784935AGF-113-3BA 制造商:NEC Electronics Corporation 功能描述:
UPD784938AGF-188-3BA 制造商:NEC Electronics Corporation 功能描述:
UPD789104AMC(A)-968-5A4-E2 制造商:Renesas Electronics Corporation 功能描述: