CXD1812 查看數據表（PDF） - Sony Semiconductor

零件编号

产品描述 (功能)

生产厂家

CXD1812

ATAPI I/F CD-ROM DECODER

Sony Semiconductor 

Pin Description

Pin No.

Symbol I/O

QFP LQFP

Description

1 99 BCLK I Bit clock signal from CD DSP

2 100 MDAT I Data signal from CD DSP

3

1 VDD

— Power supply

4 2 GND

— Ground

5 3 LRCK I LR clock signal from CD DSP

6 4 XINT

O Interrupt request signal to CPU

7 5 XCS

I Chip select negative logic signal from CPU

8 6 XWR

I Strobe negative logic signal for writing data from CPU

9 7 XRD

I Strobe negative logic signal for reading data from CPU

10 8 A5

I CPU address (MSB)

11 9 A4

I CPU address

12 10 A3

I CPU address

13 11 A2

I CPU address

14 12 A1

I CPU address

15 13 GND

— Ground

16 14 A0

I CPU address (LSB)

17 15 D7

I/O CPU data bus (MSB)

18 16 D6

I/O CPU data bus

19 17 D5

I/O CPU data bus

20 18 D4

I/O CPU data bus

21 19 D3

I/O CPU data bus

22 20 GND

— Ground

23 21 D2

I/O CPU data bus

24 22 D1

I/O CPU data bus

25 23 D0

I/O CPU data bus (LSB)

26 24 MA0

O DRAM address (LSB)

27 25 MA1

O DRAM address

28 26 VDD

— Power supply

29 27 GND

— Ground

30 28 MA2

O DRAM address

31 29 MA3

O DRAM address

32 30 MA4

O DRAM address

33 31 MA5

O DRAM address

34 32 GND

— Ground

35 33 MA6

O DRAM address

36 34 MA7

O DRAM address

–4–

CXD1812Q/R

Share Link: