参数资料
| 型号： | CS4202-JQZR |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 63/66页 |
| 文件大小： | 0K |
| 描述： | IC CODEC AUDIO '97 48-TQFP |
| 标准包装： | 2,000 |
| 类型： | 音频编解码器 '97 |
| 数据接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 数量： | 1 / 1 |
| 三角积分调变： | 是 |
| 动态范围，标准 ADC / DAC (db)： | 90 / 90 |
| 电压 - 电源，模拟： | 4.75 V ~ 5.25 V |
| 电压 - 电源，数字： | 4.75 V ~ 5.25 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-TQFP（9x9） |
| 包装： | 带卷 (TR) |
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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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