Aiwa IC-DP200 Service Manual page 21

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IC, MAS3549F
3 7 63 1515 0
Pin No. Pin Name
1 AGNDC
2 MICIN
3 MICBI
4 INL
5 INR
6 TE
7 XTI
8 XTO
9 POR
10 VSS
11 XVSS
12 VDD
13 XVDD
14 I2CVDD
15 DVS
16 VSENS1
17 DCSO1
18 DCSG1
19 DCSG2
20 DCSO2
TE
L 13942296513
21 VSENS2
22 DCEN
23 CLKO
24 I2CC
25 I2CD
26 SYNC
27 VBAT
28 PUP
29 EOD
30 PRTR
31 PRTW
32 PR
33 PCS
34 ~ 41 D7 ~ D0
42 SOD
43 SOI
44 SOC
45 SID
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46 SII
47 SIC
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48 SPDO
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I/O
– Analog reference voltage.
I Input for internal microphone amplifier.
I Bias for internal microphone.
I Left A/D input. (Not used)
I Right A/D input. (Not used)
I Test enable. (Connected to ground)
I Crystal oscillator (18.432MHz) input.
O Crystal oscillator (18.432MHz) output.
I Power on reset. Active low.
– DSP supply ground.
– Digital output supply ground.
– DSP supply.
– Digital output supply.
– I C supply.
2
– I C device address selector. (Connected to ground)
2
I/O Sense input and power output of DC/DC 1 converter.
– DC/DC 1 switch output.
– DC/DC 1 switch ground.
– DC/DC 2 switch ground.
– DC/DC 2 switch output.
I/O Sense input and power output of DC/DC 2 converter.
I DC/DC enable (both converters).
O Clock output. (Not used)
I/O I C clock.
2
I/O I C data.
2
O Sync output. (Not used)
I Battery voltage monitor input.
O DC converter power-up signal. (Not used)
O PIO end of DMA. Active low.
O PIO ready to read. Active low.
O PIO ready to write. Active low.
I PIO DMA request. Active high.
I PIO chip select. Active low.
I/O PIO data bit 7 (MSB) ~ bit 0 (LSB).
O Serial output data. (Not used)
O Serial output frame identification. (Not used)
O Serial output clock. (Not used)
I Serial input data. Interface A. (Connected to ground)
I Serial input frame identification. Interface A. (Connected to ground)
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I Serial input clock. Interface A. (Connected to ground)
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O S/PDIF output interface. (Not used)
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Description
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