Service manual

ManualsBrandsDV Mark ManualsGuitarq1000 Power Amp

ICD-UX71/UX71F/UX81/UX81F/UX91F

Pin No. Pin Name I/O Description

P2 SCK1(P14) O Serial interface 1 clock signal output ADDA serial clock signal output

M4 SDO1(P15) O Serial interface 1 data signal output ADDA serial data signal output

L5 SDI1(P16) I Serial interface 1 data signal input ADDA serial data signal input

R1 TXD1(P2A) O UART1 transmission signal output SP/HP change signal output

T1 RXD1(P2B) O UART1 reception signal output SP shut down signal output

T2 TCLKA(P17) O Multiple timer external clock A signal output CPU core voltage change signal output

R3 TCLKB(P18) O Multiple timer external clock B signal output Battery level measure signal output

T3 TIOCA0(P19) I/O

Multiple timer input capture/output compare A0 signal input/output

Not used in this set. (Open)

R4 Vdd1 — Digital power supply pin (+1.0V)

R2 TIOCB0(P1A) I/O

Multiple timer input capture/output compare B0 signal input/output

D AMP output on/off select signal output

P3 TIOCA1(P1B) I/O

Multiple timer input capture/output compare A1 signal input/output

OP LED (red) signal output

P4 TIOCB1(P1C) I/O

Multiple timer input capture/output compare B1 signal input/output

OP LED (green) signal output

R5 TXDO(P1D) O UART transmission signal output

T4 RXDO(P1E) I UART reception signal output

N4 PO0 I/O Port pin 0 bit0 CPU power on signal output

P5 PO1 I/O Port pin 0 bit1 Connect to ground in this set.

R6 PO2 I/O Port pin 0 bit2 AUDIO power on signal output

T5 PO3 I/O Port pin 0 bit3 FM power on signal output

N5 PO4 I/O Port pin 0 bit4 Charge on signal output

M5 PO5 I/O Port pin 0 bit5 Charge measurement signal output

M6 XFCE2(P06) O Nand ﬂ ash chip enable 2 signal output LCD reset signal output

T6 XFCE3(P07) O Nand ﬂ ash chip enable 3 signal output Mute signal output

P6 Vdd1 — Digital power supply pin (+1.0V)

N6 Vss — Digital ground pin

R7 Vdd2 — Digital power supply pin (+3.1V)

M7 XFWE O Nand ﬂ ash write enable signal output

N7 XFRE O Nand ﬂ ash read enable signal output

T7 XALE O Nand ﬂ ash address latch enable signal output

P7 XCLE O Nand ﬂ ash command latch enable signal output

T8 XFCE1(P1F) O Nand ﬂ ash chip enable 1 signal output

R8 XFCE0 O Nand ﬂ ash chip enable 0 signal output

M8 XFWP O Nand ﬂ ash write protect signal output

N8 XFBSY I Nand ﬂ ash busy signal input

P8 FD0 I/O Nand ﬂ ash data bit 0 signal input/output

R9 FD1 I/O Nand ﬂ ash data bit 1 signal input/output

T9 FD2 I/O Nand ﬂ ash data bit 2 signal input/output

P9 FD3 I/O Nand ﬂ ash data bit 3 signal input/output

N9 FD4 I/O Nand ﬂ ash data bit 4 signal input/output

M9 FD5 I/O Nand ﬂ ash data bit 5 signal input/output

T10 FD6 I/O Nand ﬂ ash data bit 6 signal input/output

R10 FD7 I/O Nand ﬂ ash data bit 7 signal input/output

P10 Vdd1 — Digital power supply pin (+1.0V)

N10 Vss — Digital ground pin

M10 Vdd2 — Digital power supply pin (+3.1V)

N11 SDWP I SD card write protect signal input Connected to ground in this set.

T11 SDCD I SD card detect signal input Connected to ground in this set.

R11 SDCMD I/O SD card command signal input/output Connected to ground in this set.

P11 SDCLK O SD card clock signal output Not used in this set. (Open)

M11 SDAT1 I/O SD card data bit 0 signal input/output Connected to ground in this set.

T12 SDAT2 I/O SD card data bit 1 signal input/output Connected to ground in this set.