Aiwa AM-HX70 Service Manual page 20

IC, MSM66573L-047TB-9
Pin No. Pin Name
1 XLAT
2 XRST
3 EPCS
4 SRDT1
5 SWDT1
6 NC
7 SWCLK1
8 NC
9 NC
10 NC
11 NC
12 NC
13 VDD
14 GND
15 NC
16 OPEN
17 PLGI
18 FLACLK
19 FLADAT
20 NOPWR
21 XINT
22 SQSY
23 KEY
24 PSAVE
25 K1HOLD
26 PLGI2
27 TEST
28 SPFG
29 NC
30 NC
31 NC
32 RESET
33 NMI
34 FLAMOD
35 VDD
36 XT0
37 XT1
38 GND
39 OSC0
40 OSC1
41 VDD
I/O
O Latch output to CXD2665GA.
O Reset output to CXD2665GA.
O Chip select output to EEPROM.
I Serial data input to EEPROM.
O Serial data output to EEPROM.
– Not connected.
O Serial clock output to EEPROM.
– Not connected.
– Not connected.
– Not connected.
– Not connected.
– Not connected.
– Power supply pin.
– GND pin.
– Not connected.
I Backholder detection SW input. "H" for open.
I HP plug detection SW input. "L" during HP plug insertion.
I Serial clock input for flash memory overwriting.
I/O Serial data output for flash memory overwriting.
I Reduced voltage detection input. "L" for reduced voltage.
I Interruption input from CXD2665GA.
I SUBQ/ADIP synch input.
I Key input detection input. "L" for key input.
I Power-save mode detection SW input. "L" for power-save.
I Main unit HOLD detection SW input. "L" for HOLD.
I HP plug detection input. "L" during HP plug insertion.
I Normal/TEST mode toggle input. "L" for TEST mode.
I Spindle FG input.
– Not connected.
– Not connected.
– Not connected.
I Reset input pin. "L" for rest.
I Not used. (Fixed at "L")
I High voltage input for setting the serial mode for overwriting the flash memory.
– Power supply pin.
– Not used. (Fixed at "L")
– Not used.
– GND pin.
– Main clock oscillation input pin.
– Main clock oscillation output pin.
– Power supply pin.
Description
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