參數(shù)資料
型號(hào)： CS4202-JQZ
廠商： Cirrus Logic Inc
文件頁(yè)數(shù)： 63/66頁(yè)
文件大小： 0K
描述： IC AC 97 W/HEADPHONE AMP 48TQFP
標(biāo)準(zhǔn)包裝： 250
類型： 音頻編解碼器 '97
數(shù)據(jù)接口： 串行
分辨率（位）： 18，20 b
ADC / DAC 數(shù)量： 1 / 1
三角積分調(diào)變： 是
動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 90 / 90
電壓 - 電源，模擬： 4.75 V ~ 5.25 V
電壓 - 電源，數(shù)字： 4.75 V ~ 5.25 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（9x9）
包裝： 管件
產(chǎn)品目錄頁(yè)面： 754 (CN2011-ZH PDF)
其它名稱： 598-1181
Micrel, Inc.
MIC3001
August 2004
66
M9999-082404-A
hbwhelp@micrel.com or (408) 955-1690
OEM Configuration 4 (OEMCFG4)
D[7]
reserved
D[6]
reserved
D[5]
reserved
D[4]
reserved
D[3]
read/write
D[2]
read/write
D[1]
read/write
D[0]
read/write
Default Value
0000 0000b = 00h
Serial Address
A6h = 1010011b
Byte Address
25 = 19h
This register is non-volatile and will be maintained through power and reset cycles. A valid OEM password is required for access
to these registers.
Bit(s)
Function
Operation
D[7:5]
Reserved
Reserved. Always write as zero; reads undefined.
ISTART[3:0] ISTART current level selection:
0000 = No ISTART current
0001 - 1111 = 0.375mA x ISTART[3:0]
ISTART is used to speed up the laser start-up
after a fault accures. The charging current
of the compensation cap starts from ISTART
instead of ramping up from 0.
Read/write; non-volatile.
Power-On Hour Meter Data (POHDATA)
D[7]
read/write
D[6]
read/write
D[5]
read/write
D[4]
read/write
D[3]
read/write
D[2]
read/write
D[1]
read/write
D[0]
read/write
Default Value
0000 0000b = 00h
Serial Address
A6h = 1010011b
Byte Address
32-39 = 20h - 27h
These registers are used for backing up the POH result during power cycles. At power-up, the POH meter selects the larger of
the two values as the initial count. Incremental results are stored in alternate register pairs. The power-on hour meter may be
reset or preset by writing to these registers. These registers are non-volatile and will be maintained through power and reset
cycles. A valid OEM password is required for access to these registers.
Byte
Weight
3
POHA, high-byte
2
POHA, low-byte
1
POHB, high-byte
0
POHB, low-byte
OEM Scratchpad Registers (SCRATCHn)
Default Value
0000 0000b = 00h
Serial Address
A6h = 1010011b
Byte Address
SCRATCH0:
126 = 7Eh
SCRATCH1:
127 = 7Fh
SCRATCH2:
128 = 80h
.......................................
SCRATCH127:
253 = FDh
The scratchpad registers are general-purpose non-volatile memory locations. They can be freely read from and written to any
time the MIC3001 is in OEM mode.
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