參數(shù)資料
型號： CS4202-JQZ
廠商： Cirrus Logic Inc
文件頁數(shù)： 51/66頁
文件大?。?/td> 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)品目錄頁面： 754 (CN2011-ZH PDF)
其它名稱： 598-1181
Micrel, Inc.
MIC3001
August 2004
55
M9999-082404-A
hbwhelp@micrel.com or (408) 955-1690
USER Password (USRPW)
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
A2h = 1010001b
Byte Address
251 = FBh
USER passwords are entered in this field. This field is compared to the USRPWSET field at serial address A2h, byte 250. If the
two fields match, access is allowed to the USER areas of the MIC3001 non-volatile memory at serial addresses A0h and A2h. If
a valid USER password has not been entered, writes to the serial ID fields and user scratchpad areas of A0h and A2h will not be
allowed and USRPWSET will be unreadable (returns all zeroes).
Power-On Hours MSB (POHh)
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
A2h = 1010001b
Byte Address
252 = FCh
The lower seven bits of this register contain the most-significant bits of the 15-bit power-on hours measurement. POHFLT is an
error flag. The value in this register should be combined with the Power-on Hours, Low Byte, POHl, to yield the complete result.
If POHFLT is set, the power-on hour meter data has been corrupted and should be ignored. It is recommended that a two-byte
(or more) sequential read operation be performed on POHh and POHl to insure coherency between the two registers. This
register is non-volatile and will be maintained through power and reset cycle.
Bit(s)
Function
Operation
D[7]
Power-on hours fault flag
1 = fault; 0 = no fault.
D[6:0]
Power-on hours, high byte
Non-volatile.
Power-On Hours LSB (POHl)
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
POH Fault Flag (POHFLT)
Default Value
0000 0000b = 00h
Serial Address
A2h = 1010001b
Byte Address
253 = FDh
This register contains the least-significant eight bits of the 15-bit power-on hours measurement. The value in this register should
be combined with the Power-on Hours, High Byte, POHh, to yield the complete result. If POHFLT is set, the power-on hour
meter data has been corrupted and should be ignored. It is recommended that a two-byte (or more) sequential read operation
be performed on POHh and POHl to insure coherency between the two registers. This register is non-volatile and will be
maintained through power and reset cycles.
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