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Barracuda PDA Maintenance
35
1.2.4 GPIO Table:
GPIO
Name
Function Name
I/O
Pin
H/L
active
Sleep
mode
state
Description
GPIO-0 BTN_PWR#
I
L
ACT Power
button to control system run/sleep
and backlight ON/OFF
GPIO-1 KEY_PRESS#
I
L
ACT Button / Switch press detection
GPIO-2 LCD_G3
O
L
LCD data output
GPIO-3 LCD_G4
O
L
LCD data output
GPIO-4 LCD_G5
O
L
LCD data output
GPIO-5 LCD_R1
O
L
LCD data output
GPIO-6 LCD_R2
O
L
LCD data output
GPIO-7 LCD_R3
O
L
LCD data output
GPIO-8 LCD_R4
O
L
LCD data output
GPIO-9 LCD_R5
O
L
LCD data output
GPIO-10 SSP_TXD
O
L
SSP_UDA1341_TXD
GPIO-11 SSP_RXD
I
L
SSP_UDA1341_RXD
GPIO-12 CLK_SSP
O
L
SSP_UDA1341_SCLK
GPIO-13 SSP_SFRM
O
L
SSP_UDA1341_SFRM
GPIO-14 AC_IN#
I
L
ACT AC plug-in indication
GPIO-15 DCD#_WAKE
I
H
ACT Serial port DCD signal , can wake up
system when in sleep mode
GPIO-16 CRADLE_IN
I
H
ACT Detect PDA plug into cradle
GPIO-17 GAUGE1
I/O
H/L
Gauge for main battery
GPIO-18 GAUGE2
I/O
H/L
Gauge for Sled battery
GPIO-19 CLK_UDA
I
H/L
L
Extend Audio clock 11.2896MHz
GPIO-20 BAT_FAULT_EN O
H
L
Enable hardware battery fault if pass to
SA1110 BAT_FAULT
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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