参数资料
型号: DS1877T+T&R
厂商: Maxim Integrated Products
文件页数: 20/65页
文件大小: 0K
描述: IC CTLR/MON SFP 1-2CH 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: SFP+ 控制器
输入类型: 逻辑
输出类型: 逻辑
接口: I²C
电流 - 电源: 2.5mA
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
其它名称: 90-1877T+TRL
27
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Table 02h Register Map
<C> or <_/C> = Common, <D> or <_/D> = Different, <M> or <_/M> = Mixture of common and different.
*The final result must be XORed with BB40h before writing to this register.
Table 04h Register Map
<C> or <_/C> = Common, <D> or <_/D> = Different, <M> or <_/M> = Mixture of common and different.
The access codes represent the factory default values of PW_ENA and PW_ENB (Table 02h, Registers C0hC1h).
These registers also allow for custom permissions.
ACCESS
CODE
<0/_>
<1/_>
<2/_>
<3/_>
<4/_>
<5/_>
<6/_>
<7/_>
<8/_>
<9/_>
<10/_>
<11/_>
Read
Access
See each
bit/byte
separately
All
PW2
All
N/A
PW1
PW2
N/A
PW2
All
Write
Access
PW2
N/A
All and
DS1877
hardware
PW2 +
mode
bit
All
PW1
PW2
N/A
PW1
TABLE 02h (PW2)
ROW
(HEX)
ROW NAME
WORD 0
WORD 1
WORD 2
WORD 3
BYTE 0/8
BYTE 1/9
BYTE 2/A
BYTE 3/B
BYTE 4/C
BYTE 5/D
BYTE 6/E
BYTE 7/F
80
<0/C>CONFIG0
<8/C>MODE
<4/C>TINDEX
RESERVED
<10>DEVICE ID <10>DEVICE VER
88
<8/C>CONFIG1
CNFGA
CNFGB
CNFGC
DEVICE ADDRESS
RESERVED
FORCE RSSI
RSHIFT2
RSHIFT1
90
<8/C>SCALE0
RESERVED
VCC SCALE
XOVER2 COARSE
XOVER2 FINE
98
<8/C>SCALE1
RSSI2 COARSE SCALE
RSSI2 FINE SCALE
RSSI1 COARSE SCALE
RSSI1 FINE SCALE
A0
<8/C>OFFSET0
INTERNAL TEMP OFFSET*
VCC OFFSET
XOVER1 COARSE
XOVER1 FINE
A8
<8/C>OFFSET1
RSSI2 COARSE OFFSET
RSSI2 FINE OFFSET
RSSI1 COARSE OFFSET
RSSI1 FINE OFFSET
B0
<9/C>PWD VALUE
PW1 MSW
PW1 LSW
PW2 MSW
PW2 LSW
B8
<8/C>THRESHOLD
LOS RANGING
2
RESERVED
HLOS2
LLOS2
LOS RANGING
1
RESERVED
HLOS1
LLOS1
C0
<8/C>PWD ENABLE
PW_ENA
PW_ENB
RESERVED
POLARITY
TBLSELPON
C8
<4/C>DAC VALUES
DAC2 VALUE
RESERVED
DAC1 VALUE
RESERVED
D0–FF
EMPTY
TABLE 04h (DAC LUT)
ROW
(HEX)
ROW NAME
WORD 0
WORD 1
WORD 2
WORD 3
BYTE 0/8
BYTE 1/9
BYTE 2/A
BYTE 3/B
BYTE 4/C
BYTE 5/D
BYTE 6/E
BYTE 7/F
80–C7
<8/D>LUT4
DAC LUT
C8–F7
EMPTY
F8–FF
<8/D>DAC OFFSET
DAC OFFSET
LUT
DAC OFFSET
LUT
DAC OFFSET
LUT
DAC OFFSET
LUT
DAC OFFSET
LUT
DAC OFFSET
LUT
DAC OFFSET
LUT
DAC OFFSET
LUT
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