參數(shù)資料
型號: UPD75306BGC
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 15/76頁
文件大?。?/td> 572K
代理商: UPD75306BGC
μ
PD75304B,75306B,75308B
15
3.4
RECPMMENDED CONNECTION OF UNUSED PINS
Table 3-1 Connection of Unused Pins
Pin
Recommended Connection
P00/INT4
Connect to V
SS
P01/SCK
P02/SO/SB0
Connect to V
SS
or V
DD
P03/SI/SB1
P10/INT0-P12/INT2
P13/TI0
P20/PTO0
P21
P22/PCL
P23/BUZ
P30/LCDCL
P31/SYNC
P32
P33
P40 to P43
P50 to P53
P60/KR0 to P63/KR3
P70/KR4 to P73/KR7
S0 to S23
S24/BP0 to S31/BP7
Leave open
COM0 to COM3
V
LC0
to V
LC2
Connect to V
SS
BIAS
Connect to V
SS
only when V
LC0
to V
LC2
are all unused; otherwise leave open
XT1
Connect to V
SS
or V
DD
XT2
Leave open
Connect to V
SS
#
Input state
:
Connect to V
SS
or V
DD
Outputstate :
Leave open
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