Datasheet

SEMICONDUCTOR LSI BU9438KV 3/4
A TSZ02201-BU9438KV-1-2
◇Description of Terminals
No. Name I/O Description of terminals
1 RESETX I System reset terminal
2 SEL_SLAVE I Slave mode selection（H：Stand Alone mode, L：Slave mode）
3 SEL_MP3 I MPEG Audio Layer selection（H：Only MP3 is playback, L：MP1, MP2 and MP3 can be playback）
4 SEL_DOUT I Digital Audio out selection（H：Disable、L：Enable）
5 SEL_VOL I Volume operation selection（H：Volume+- Effective, L：VOL+-Inavalidity）
6 SEL_APLAY I At device(USB,SD) connection, Auto Play mode selection(H:It stop, L:It playback)
7 SEL_UTPKT I USB test packet output selection（H：Normal operation、L：Test packet output）
8 TEST1 I Pull-up to VDD1 system power supply terminal(TEST PIN)
9 TEST2 I Pull-up to VDD1 system power supply terminal(TEST PIN)
10 KEY_ROW1/MCHNG I/O [KEY_ROW1]KEY Matrix terminal, [MCHNG]Music change flag terminal
11 KEY_ROW2/BUSY I/O [KEY_ROW2]KEY Matrix terminal, [BUSY]Busy flag terminal
12 KEY_ROW3/SCL I [KEY_ROW3]KEY Matrix terminal, [SCL]I
2
C I/F clock terminal
13 KEY_ROW4/SDA I/O [KEY_ROW4]KEY Matrix terminal, [SDA]I
2
C I/F data terminal
14 KEY_COL1/A0 I/O [KEY_COL1]KEY Matrix terminal, [A0]I
2
C Slave address selection
15 KEY_COL2/A1 I/O [KEY_COL2]KEY Matrix terminal, [A1]I
2
C Slave address selection
16 KEY_COL3/SEL_SMAN I/O [KEY_COL3] KEY Matrix terminal, [SEL_SMAN]Manual mode selection（H：Auto, L：Manual）
17 TEST3 I Pull-up to VDD1 system power supply terminal(TEST PIN)
18 DVDDIO − IO Power supply(VDD1) terminal
19 SD_CON I SD card Connect terminal
20 SD_DO I SD card Data In terminal
21 SD_CLK O SD card Clock terminal
22 SD_DI O SD card Data Out terminal
23 SD_CS O SD card Chip select terminal
24 DVSS − GND terminal
25 TEST4 I Pull-up to VDD1 system power supply terminal(TEST PIN)
26
TEST5/CLKTOU12
O [TEST5]Pull-up to VDD1 system power supply terminal(TEST PIN),
[CLKOUT12]12MHz clock output terminal
27 DVDD_M2 − CORE Power supply(VDD2) monitor terminal. Connect to 57PIN.
28 TEST6 I Pull-up to VDD1 system power supply terminal(TEST PIN)
29 TEST7 I Pull-up to VDD1 system power supply terminal(TEST PIN)
30 TEST8 I Pull-up to VDD1 system power supply terminal(TEST PIN)
31 ATEST1 O USB TEST terminal(TEST PIN)
32 AVDDC − USB Power supply(VDD1)terminal
33 USB_DM I/O USB D−I/O terminal
34 USB_DP I/O USB D+ I/Oterminal
35 AVSSC − USB GND terminal
36 REXTI O USB bias resistor(12kΩ) connecting terminal
37 VOREFI O USB TEST terminal(TEST PIN)
38 VDD_PLL − PLL Power supply(VDD1) terminal
39 TEST_PLL I PLL TEST terminal(TEST PIN)
40 XIN_PLL I X'tal(16.9344MHz) connecting input terminal
41 XOUT_PLL O X'tal(16.9344MHz) connecting outpu terminal
42 VSS_PLL − PLL GND terminal
43 DAVSS − Audio DAC GND terminal
44 RDACO O Audio DAC Rch Line output terminal
45 VCDACO O Audio DAC Reference voltage output teminal
46 LDACO O Audio DAC Lch Line output terminal
47 DAVDD − Audio DAC Power supply(VDD1) terminal
48 AMUTE O Audio Mute output terminal（H：MUTE OFF, L：MUTE ON）
49
LED_ERROR/TEST9
O [LED]Lighting output terminal at ERROR,
[TEST9]Pull-up to VDD1 system power supply terminal(TEST PIN)
50
LED_PLAY/TEST10
O [LED]Lighting output terminal at PLAY,
[TEST10]Pull-up to VDD1 system power supply terminal(TEST PIN)
51
LED_PSD/TEST11
O [LED]Lighting output terminal at PLAY for SD card,
[TEST11]Pull-up to VDD1 system power supply terminal(TEST PIN)
52
LED_PUSB/TEST12
O [LED]Lighting output terminal at PLAY for USB memory,
[TEST12] Pull-up to VDD1 system power supply terminal(TEST PIN)
53
LED_ACCESS
O [LED]Lighting output terminal when memory is being accessed,
[LRCK]Digital Audio channel clock or SPDIF output terminal
54 LED_RANDOM O [LED]Lighting output terminal at PLAY for RANDOM, [BCK]Digital Audio bit clock output terminal
55 LED_REPEAT O [LED]Lighting output terminal at PLAY for REPEAT, [DATA]Digital Audio data output terminal
56 TEST13 I Pull-up to VDD1 system power supply terminal(TEST PIN)
57 DVDD_M1 − CORE Power supply(VDD2) monitor terminal, Connect to bypass condenser
58 TEST14 I Connect to GND(TEST PIN)
59 TEST15 I Pull-up to VDD1 system power supply terminal(TEST PIN)
60 TEST16 I Pull-up to VDD1 system power supply terminal(TEST PIN)
61 TEST17 I Pull-up to VDD1 system power supply terminal(TEST PIN)
62 DVSS − GND terminal
63 TMODE I Connect to GND(TEST PIN)
64 DVDDIO − IO Power supply(VDD1) terminal