S5L9276 데이터 시트보기 (PDF) - Samsung

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S5L9276

OPTICAL CD MP3 SYSTEM

Samsung 

OPTICAL CD MP3 SYSTEM

S5L9276 (PRELIMINARY SPEC)

Description for the memory read protocol

1. Write Start Address to H_MEM_ADDR_HIGH (8'hf0), H_MEM_ADDR_MID (8'hf1), and H_MEM_ADDR_LOW

(8'hf2).

2. Write BL(Burst Length) to H_MEM_ADDR_BL (8'hf3). The BL is programmable between 1 and 63. The default

value of the H_MEM_ADDR_BL when reset is 1.

3. Send command 8'h50 (i.e. Transfer address of the H_MEM_READ).

4. Read MDOUT as many bits as the " BL*16 ". (16bits per 1 burst, each burst is MSB first.)

Description for the memory write protocol

1. Write Start Address to H_MEM_ADDR_HIGH (8'hf0), H_MEM_ADDR_MID (8'hf1), and H_MEM_ADDR_LOW

(8'hf2).

2. Write BL(Burst Length)and memory write command to H_MEM_WRITE (8'hf4). The BL is programmable

between 1 and 63.

3. Write MDAT as many bits as the " BL*16 ". (16bits per 1 burst, each burst is MSB first.)

Description for the input buffer write protocol

1. Write BL(Burst Length)and input buffer write command to H_MEM_WRITE_IB (8'hf5). The BL is programmable

between 1 and 63.

2. Write MDAT as many bits as the " BL*16 ". (16bits per 1 burst, each burst is MSB first.)

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