Aiwa IC-DP200, Руководство по обслуживанию

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– 20 –
1 R/B I Ready/busy input.
2 GPIO0 I Connected to MICOM USB serial data pin.
3GPIO1 I Not used.
4 VCC – Digital power supply.
5 XIN I Input for the internal 48MHz crystal oscillator circuit.
6 XOUT O Output for the internal crystal oscillator circuit.
7 VSS – Digital power ground.
8 GPIO2 I Not used.
9 DATA-IN I Serial data in from MCU. (Not used)
10 ~ 12 TEST1 ~ TEST3I/O Chip test pin. (Connected to VSS)
13VCC – Digital power supply.
14 CLK-MCU O Serial clock for MCU I/F (400kHz, 6MHz). (Not used)
15 VSS – Digital power ground.
16 DATA-OUT O Serial data out to MCU. (Not used)
17 ALE O Address latch enable.
18 WP O Write protect. (Connected to VCC)
19 CLE O Command latch enable.
20 WE O Write enable.
21 RE O Read enable.
22 ~ 23TEST4 ~ TEST5 I/O Chip test pin. (Connected to VSS)
24 ~ 27 I/O0 ~ I/O3I/O Data input/output.
28 VCC – Digital power supply.
29 CLK-OUT O Clock to MMC. (Not used)
30 CMD I/O Command/response for MMC. (Not used)
31 DAT I/O Data0 for MMC. (Not used)
32 VSS – Digital power ground.
33 ~ 36 I/O4 ~ I/O7 I/O Data input/output.
37 TEST0 I/O Chip test pin. (Not used)
38 TEST6 I/O Chip test pin. (Not used)
39 GPIO7 O Not used.
40 GPIO6 O Not used.
41 GPIO5 O Connected to MICOM USB serial clock pin.
42 GPIO4 O Connected to MICOM and Flash Memory chip enable pin.
43GPIO3 O Connected to MICOM USB serial data pin.
44 AGND – Analog power ground.
45 D– I/O USB D– upstream port.
46 D+ IO USB D+ upstream port.
47 V3.3 – Transceiver 3.3V voltage supply.
48 RST I Power on reset. Active low signal.
IC DESCRIPTION
IC, GDS30C6001
Pin No. Pin Name I/O Description
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