Ic Block Diagram - Aiwa SC-UC78 Service Manual

IC BLOCK DIAGRAM

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