Casio QT 6000 Service Manual - Page 104
Pin Assignment, Xc62ep1502mr Ic42, Xc6365a363mr Ic2
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31. XC62EP1502MR (IC42) CE/CE 5 EXT 4 1 23 VSS VIN VOUT 32. XC6365A363MR (IC2) VOUT (FB) CE 5 4 123 EXT/ VDD GND PIN ASSIGNMENT PIN NUMBER 1 2 3 4 5 PIN NAME VSS VIN VOUT EXT CE/CE FUNCTION Ground Supply voltage input Regulated voltage output Base current control Chip enable VOUT CE Phase Compensation Error Amp PWM Controler Buffer, Drive Vref whth Soft Start, CE PWM/PFM Controler Ramp Wave Generatpr, OSC VDD EXT/ GND - 102 -
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31.
XC62EP1502MR (IC42)
32.
XC6365A363MR (IC2)
PIN ASSIGNMENT
NAME
Ground
VIN
PIN NUMBER
PIN
FUNCTION
2
VSS
1
Supply voltage input
Regulated voltage output
EXT
Chip enable
CE/CE
4
5
VOUT
3
Base current control
4
2
3
1
5
VOUT
VSS
VIN
CE/CE
EXT
V
DD
EXT/
V
OUT
(FB)
3
2
1
5
GND
CE
4
Vref whth
Soft Start,
CE
Ramp Wave
Generatpr,
OSC
Phase
Compensation
PWM/PFM
Controler
PWM
Controler
Error Amp
Buffer,
Drive
V
DD
V
OUT
EXT/
GND
CE