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Barracuda PDA Maintenance
GPIO
Function Name I/O
Name
UCB1300
GPIO
IO_0
SA_CDEXT
IO_1
L3_I2C_SDA
IO_2
L3_I2C_MODE
IO_3
L3_I2C_SCL
IO_4
EXT_PWROK
IO_5
CHARGE_DET#
IO_6
IO_7
I2C_SCL
IO_8
I2C_SDA
IO_9
ADC_SYNC
ADC_0
BUTTON_DET
ADC_1
TEMP
ADC_2
L/S#
ADC_3
VCC_BK
Sleep
H/L
mode
Pin
active
state
I
H
L
Sled inserted detection
I/O
H/L
L
To Audio codec(UDA1341) L3
port , data signal
O
H/L
L
To Audio codec(UDA1341) L3
port , mode signal
O
H/L
L
To Audio codec(UDA1341) L3
port , clock signal
I
H
L
Sled Power_good signal (Only
PCMCIA power is applying)
I
L
L
Main battery charge detection
(Only activity in operating
mode )
O
L
L
O
H/L
L
I2C Clock signal
I/O
H/L
L
I2C data signal
L
Can't be used as GPIO
RECORD , TASK , MEMO ,
CALENDAR , CONTACT ,
Jogdial
Main battery temperature
detection
Long / Short Sled detection ( H
=> Long , L => Short )
Backup battery voltage sense
Description
38
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