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参数资料
| 型号： | MIC3000BMLTR |
| 厂商： | MICREL INC |
| 元件分类： | 数字传输电路 |
| 英文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, QCC24 |
| 封装： | 4 X 4 MM, MLF-24 |
| 文件页数： | 50/68页 |
| 文件大小： | 444K |
| 代理商： | MIC3000BMLTR |
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MIC3000
Micrel
M9999-101204
54
October 2004
APC Setpoint 0 (APCSET0)
Automatic power control setpoint (unsigned binary) used when APCSEL[1:0] = 00
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
3 = 03h
When A.P.C. is on, i.e., the APCCAL bit in OEMCAL0 is set, the value in APCSETx is added to the signed value taken
from the A.P.C. look-up table and loaded into the VBIAS DAC. When A.P.C. is off, the value in APCSET is loaded
directly into the VBIAS DAC, bypassing the look-up table entirely. In either case, the VBIAS DAC setting is reported in
the VBIAS register. The APCCFG bits determine the DAC’s response to higher or lower numeric values. A valid OEM
password is required for access to this register. This register is non-volatile and will be maintained through power and
reset cycles.
APC Setpoint 1 (APCSET1)
Automatic power control setpoint (unsigned binary) used when APCSEL[1:0] = 01
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
4 = 04h
When A.P.C. is on, i.e., the APCCAL bit in OEMCAL0 is set, the value in APCSETx is added to the signed value taken
from the A.P.C. look-up table and loaded into the VBIAS DAC. When A.P.C. is off, the value in APCSET is loaded
directly into the VBIAS DAC, bypassing the look-up table entirely. In either case, the VBIAS DAC setting is reported in
the VBIAS register. The APCCFG bits determine the DAC’s response to higher or lower numeric values. This register
is non-volatile and will be maintained through power and reset cycles. A valid OEM password is required for access to
this register.
APC Setpoint 2 (APCSET2)
Automatic power control setpoint (unsigned binary) used when APCSEL[1:0] = 10
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
5 = 05h
When A.P.C. is on, i.e., the APCCAL bit in OEMCAL0 is set, the value in APCSETx is added to the signed value taken
from the A.P.C. look-up table and loaded into the VBIAS DAC. When A.P.C. is off, the value in APCSET is loaded
directly into the VBIAS DAC, bypassing the look-up table entirely. In either case, the VBIAS DAC setting is reported in
the VBIAS register. The APCCFG bits determine the DAC’s response to higher or lower numeric values. This register
is non-volatile and will be maintained through power and reset cycles. A valid OEM password is required for access to
this register.
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