Aiwa SC-UC78, Service Manual

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IC BLOCK DIAGRAM
IC, MM1326AJBE
GP2/DO
GP3/WSO
GP4/BCKO
SHTCB
D-
D+
VDDI
VSSI
VSSE
VDDE
VSSX
XTAL1
XTAL2
VDDX
VREF
VSSA
VDDA
VOUTR
VSSO
VDDO
VOUTL
TC
RTCB
GP0/BCKI
GP5/WSI
SCL
SDA
GP1/DI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
IC, UDA1321T
Pin No. Pin Name I/O Description
IC DESCRIPTION
General purpose pin 2 or data output for extra DSP chip.
General purpose pin 3 or master word select output for extra DSP chip.
General purpose pin 4 or master bit clock output for extra DSP chip.
Shift clock TCB input. (Active HIGH)
Negative data line of the differential data bus conform to the USB-standard.
Positive data line of the differential data bus conform to the USB-standard.
Digital supply voltage core.
Digital ground core.
Digital ground I/O pins.
Digital supply voltage I/O pins.
Crystal oscillator ground.
Crystal oscillator input 1.
Crystal oscillator output 2.
Crystal oscillator supply voltage.
Reference output voltage.
Analog ground.
Analog supply voltage.
Right channel output voltage.
Operational amplifier ground.
Operational amplifier supply voltage.
Left channel output voltage.
Test control input. (Active HIGH)
Asynchronous reset input for test control box. (Active HIGH)
General purpose pin 0 or master bit clock input.
General purpose pin 5 or word select input.
Serial clock input. (I
2
C-bus)
Serial data input/output. (I
2
C-bus)
General purpose pin 1 or data input.
I/O
I/O
I/O
I
I/O
I/O
—
—
—
—
—
I
O
—
O
—
—
O
—
—
O
I
I
I/O
I/O
I/O
I/O
I/O