MIC3000 Micrel OEM Readback Register (OEMRD) D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] INT APCSAT IBFLT TXFLT" />
參數(shù)資料
型號： CS42L55-DNZR
廠商： Cirrus Logic Inc
文件頁數(shù)： 55/68頁
文件大?。?/td> 0K
描述： IC CODEC STER H-HDPN AMP 36-QFN
標準包裝： 6,000
類型： 立體聲音頻
數(shù)據(jù)接口： 串行
分辨率（位）： 24 b
ADC / DAC 數(shù)量： 1 / 1
三角積分調(diào)變： 是
動態(tài)范圍，標準 ADC / DAC (db)： 95 / 99
電壓 - 電源，模擬： 1.65 V ~ 2.71 V
電壓 - 電源，數(shù)字： 1.65 V ~ 2.71 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 36-QFN
供應(yīng)商設(shè)備封裝： 36-QFN-EP（5x5）
包裝： 帶卷 (TR)
配用： 598-1506-ND - BOARD EVAL FOR CS42L55 CODEC
October 2004
59
M9999-101204
MIC3000
Micrel
OEM Readback Register (OEMRD)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
INT
APCSAT
IBFLT
TXFLT
RSOUT
reserved
read only
Default Value
0000 0000b = 00h
Serial Address
A6h = 1010011b
Byte Address
22 = 16h
This register reflects (reads back) the status of the bits corresponding to the parameters defined below. A valid OEM
password is required for access to this register. Otherwise, reads are undefined and writes are ignored.
Bit
Function
Operation
D[7:5]
Reserved
Always write as zero; reads undefined.
D[4]
INT
Mirrors state of /INT but active-high; not state of
1 = interrupt; 0 = no interrupt.
physical pin!
D[3]
APCSAT
APC saturation fault comparator output state
1 = fault; 0 = normal operation.
D[2]
IBFLT
State of IBIAS over-current fault comparator
1 = fault; 0 = normal operation; read-only.
output
D[1]
TXFLT
State of transmit power fault comparator output
1 = fault; 0 = normal operation; read-only.
D[0]
RSOUT
State of the rate select output pin, RSOUT
1 = high; 0 = low; Read-only.
Power-On Hour Meter Data (POHDATA)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
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 MIC3000 is in OEM mode.
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