Barracuda PDA Maintenance
36
GPIO
Name
Function Name
I/O
Pin
H/L
active
Sleep
mode
state
Description
GPIO-21 SLOT1_IRQ#
I
L
L
Sled card 1 interrupt
GPIO-22 SLOT2_IRQ#
I
L
L
Sled card 2 interrupt
GPIO-23 UCB_IRQ
I
H
L
UCB1300 interrupt output
GPIO-24 SA_CDKT1#
I
L
H
Sled card 1 insert detection
GPIO-25 SA_CDKT2#
I
L
H
Sled card 2 insert detection
GPIO-26 IRQ_SD#
I
L
L
SD interrupt
GPIO-27 BAT_FAULT_IRQ#
I
L
L
Hardware battery fault & cover out
interruption to SA1110
External
GPIO
U10-1Q1 EXT_PWR_ON#
O
L
L
Sled / CF buffer power control pin
U10-1Q2 SA_RST1
O
H
L
Card socket1 reset signal (In I/O and
memory mode => active high , IDE
mode => active low)
U10-1Q3 UCB_RESET#
O
L
L
UCB 1300 reset signal
U10-1Q4 5V_PWR_ON
O
H
L
5V power plane ON/OFF control (For
panel)
U10-1Q5 SA_RST2
O
H
L
Card socket2 reset signal (In I/O and
memory mode => active high , IDE
mode => active low)
U10-1Q6 LCD_ON
O
H
L
LCD output enable control pin ( High
=> output , L => disable)
U10-1Q7 LCD_PWR_ON#
O
L
L
LCD power plane ON/OFF control
(For NEC controller)
U10-1Q8 EXT_BUS_ON#
O
L
L
Sled / CF buffer output enable
Summary of Contents for Barracuda
Page 5: ...Barracuda PDA Maintenance 4 Block Diagram ...
Page 6: ...Barracuda PDA Maintenance 5 Power Block Diagram ...
Page 18: ...Barracuda PDA Maintenance 17 Typical Audio Amplifier Application Circuit ...
Page 24: ...Barracuda PDA Maintenance 23 Block diagram of the 10 bit ADC circuit ...
Page 26: ...Barracuda PDA Maintenance 25 BLOCK DIAGRAM ...
Page 28: ...Barracuda PDA Maintenance 27 Block Diagram ...
Page 30: ...Barracuda PDA Maintenance 29 GENERAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ...
Page 33: ...Barracuda PDA Maintenance 32 ...
Page 42: ...Barracuda PDA Maintenance 41 ...
Page 43: ...Barracuda PDA Maintenance 42 ...
Page 45: ...Barracuda PDA Maintenance 44 FUNCTIONAL BLOCK DIAGRAM ...
Page 47: ...Barracuda PDA Maintenance 46 Strata Flash Memory Block Diagram ...
Page 54: ...Barracuda PDA Maintenance 53 DS2760 Block Diagram ...
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