參數(shù)資料
型號(hào): M3455AGC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 116/148頁
文件大?。?/td> 1807K
代理商: M3455AGC-XXXFP
Rev.1.02
Nov 26, 2008
Page 7 of 146
REJ03B0224-0102
455A Group
CONNECTIONS OF UNUSED PINS
(Note when connecting to VSS or VDD)
Connect the unused pins to VSS using the thickest wire at the shortest distance against noise.
Table 6
Port function
Pin
Connection
Usage condition
XIN
Connect to VSS.
XOUT
Open.
XCIN/D6
Connect to VSS.
Pull-up transistor is OFF.
The key-on wakeup function is invalid.
XCOUT/D7
Open.
The key-on wakeup function is invalid.
D0
D4
Open.
The key-on wakeup function is invalid.
Connect to VSS.
N-channel open-drain is selected for the output structure.
Pull-up transistor is OFF.
The key-on wakeup function is invalid.
D5/INT
Open.
INT pin input is disabled.
The key-on wakeup function is invalid.
Connect to VSS.
N-channel open-drain is selected for the output structure.
Pull-up transistor is OFF.
The key-on wakeup function is invalid.
C/CNTR
Open.
CNTR input is not selected for timer 1 count source.
P00
/SEG16
P03
/SEG19
Open.
The key-on wakeup function is invalid.
Connect to VSS.
Segment output is not selected.
N-channel open-drain is selected for the output structure.
Pull-up transistor is OFF.
The key-on wakeup function is invalid.
P10
/SEG20
P13
/SEG23
Open.
The key-on wakeup function is invalid.
Connect to VSS.
Segment output is not selected.
N-channel open-drain is selected for the output structure.
Pull-up transistor is OFF.
The key-on wakeup function is invalid.
P20
/SEG24
P23
/SEG27
Open.
The key-on wakeup function is invalid.
Connect to VSS.
Segment output is not selected.
N-channel open-drain is selected for the output structure.
Pull-up transistor is OFF.
The key-on wakeup function is invalid.
P30
/SEG28
P33
/SEG31
Open.
The key-on wakeup function is invalid.
Connect to VSS.
Segment output is not selected.
N-channel open-drain is selected for the output structure.
Pull-up transistor is OFF.
The key-on wakeup function is invalid.
COM0–COM3
Open.
SEG0/VLC3
Open.
SEG0 pin is selected.
SEG1/VLC2
Open.
SEG1 pin is selected.
SEG2/VLC1
Open.
SEG2 pin is selected.
SEG3–SEG15
Open.
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