Clarion DXZ945MP Service Manual page 12

051-3921-90 MD1423N
6 8
R/C 5 ON/OFF UVLO BOOT
Bandgap
Vref 28
reference
5.0V
2.45V
OSC
32 30 27 3 2 1
Terminal Description
pin 1: SS : - : Connect a capacitor for soft start.
pin 2: OCL- : IN : Over current detection.
pin 3: OCL+ : IN : Over current detection.
pin 4: GND : - : Signal ground.
pin 5: R/C : IN : Remote control signal input.
pin 6: VCC : - : Power supply terminal for control section.
pin 7: N.C. : - : No connection.
pin 8: V BOOT : - : High side drive supply for main MOS-FET.
pin 9: V GL : - : The gate terminal of the low side MOS-
FET.
pin 10: N.C. : - : No connection.
pin 11: V OUT : O : Power stage output terminal.
pin 12: V OUT : O : Power stage output terminal.
pin 13: V OUT : O : Power stage output terminal.
pin 14: V OUT : O : Power stage output terminal.
pin 15: N.C. : - : No connection.
pin 16: P GND : - : Power ground.
pin 17: N.C. : - : No connection.
pin 18: VDD : - : Power supply for the power stage.
pin 19: VDD : - : Power supply for the power stage.
pin 20: VDD : - : Power supply for the power stage.
pin 21: VDD : - : Power supply for the power stage.
pin 22: N.C. : - : No connection.
pin 23: V GH : - : The gate terminal of the high side MOS-
FET.
pin 24: N.C. : - : No connection.
pin 25: V B : - : Terminal for bootstrap. Bootstrap capacitor
between VB and VOUT. Supply for high
side circuit.
pin 26: GND : - : Signal ground.
pin 27: OSC : - : The resistor connection to set the frequen-
cy of oscillation.
pin 28: Vref : - : The reference voltage output terminal.
pin 29: N.C. : - : No connection.
pin 30: AMP OUT : O : The output terminal of the internal OP
amp.
pin 31: N.C. : - : No connection.
pin 32: AMP - : IN : The inverted input terminal of the internal
OP amp.
DXZ945MP
DXZ946MP
DC to DC Converter
25 23
High
Side
V D D
High
side
driver
R 5.5V V OUT
Q
Low
S
side
driver
16 P G N D
4,26 9
052-7066-00 M30102M2-557FP
1.Terminal Description
pin 1: REQUEST : O : The request signal output.
pin 2: S DATA IN : IN : The serial data input.
pin 3: NU : O : Not in use.
pin 4: CN VSS : IN : Connect to VSS.
pin 5: NU : O : Not in use.
pin 6: NU : O : Not in use.
pin 7: RESET : IN : Reset signal input.
pin 8: X OUT : O : Crystal connection.
pin 9: VSS : - : Negative supply voltage.
pin 10: X IN : IN : Crystal connection.
pin 11: VCC : - : Positive supply voltage.
pin 12: NU : O : Not in use.
pin 13: NU : IN : Not in use.
pin 14: NU : IN : Not in use.
pin 15: NU : O : Not in use.
pin 16: Key I 3 : IN : Key scan signal input.
pin 17: Key O 2 : O : Key scan output terminal.
pin 18: NU : - : Not in use.
pin 19: Key O 1 : O : Key scan output terminal.
pin 20: Key I 2 : IN : Key scan signal input.
pin 21: Key I 1 : IN : Key scan signal input.
pin 22: Key I 0 : IN : Key scan signal input.
pin 23: Key O 0 : O : Key scan output terminal.
pin 24: NU : O : Not in use.
pin 25: NU : O : Not in use.
pin 26: NU : O : Not in use.
pin 27: NU : O : Not in use.
pin 28: TPW : IN : Touch panel wake input.
pin 29: PA : O : Connect to pin 28 by a resistor.
pin 30: CHK : O : The touch panel control output.
pin 31: VCC : - : Positive supply voltage.
pin 32: NU : O : Not in use.
pin 33: VSS : - : Negative supply voltage.
pin 34: NU : O : Not in use.
pin 35: IVCC : - : Smoothing capacitor connection.
pin 36: Y R IN : IN : Touch panel co-ordinates input.
pin 37: X R IN : IN : Touch panel co-ordinates input.
pin 38: Y G IN : IN : Touch panel co-ordinates input.
pin 39: X G IN : IN : Touch panel co-ordinates input.
pin 40: VREFI : IN : The reference voltage input.
pin 41: NU : - : Not in use.
pin 42: NU : - : Not in use.
pin 43: NU : - : Not in use.
pin 44: Y+ : O : Touch panel co-ordinates output.
pin 45: X+ : O : Touch panel co-ordinates output.
pin 46: Y- : O : Touch panel co-ordinates output.
pin 47: X- : O : Touch panel co-ordinates output.
pin 48: S DATA O : O : The serial data output.
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Touch Panel Controller