参数资料
型号: DS1874T+
厂商: Maxim Integrated
文件页数: 33/88页
文件大小: 0K
描述: IC CTLR SFP+ ANLG LDD 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 激光二极管控制器
通道数: 1
电源电压: 2.85 V ~ 3.9 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 95°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
安装类型: 表面贴装
其它名称: 90-1874T+000
SFP+ Controller with Digital LDD Interface
Table 04h Register Map
TABLE 04h (MODULATION LUT)
ROW
ROW
WORD 0
WORD 1
WORD 2
WORD 3
(hex)
80–C7
NAME
<8> LUT4
BYTE 0/8
MOD
BYTE 1/9
MOD
BYTE 2/A
MOD
BYTE 3/B
MOD
BYTE 4/C
MOD
BYTE 5/D
MOD
BYTE 6/E
MOD
BYTE 7/F
MOD
Table 05h Register Map
TABLE 05h
ROW
ROW
WORD 0
WORD 1
WORD 2
WORD 3
(hex)
80 –F7
F8
NAME
EMPTY
<8> ALARM
ENABLE
BYTE 0/8
EMPTY
ALARM
EN 3
BYTE 1/9
EMPTY
ALARM
EN 2
BYTE 2/A
EMPTY
ALARM
EN 1
BYTE 3/B
EMPTY
ALARM
EN 0
BYTE 4/C
EMPTY
WARN EN 3
BYTE 5/D
EMPTY
WARN EN 2
BYTE 6/E
EMPTY
RESERVED
BYTE 7/F
EMPTY
RESERVED
Table 05h is empty by default. It can be configured to contain the alarm and warning-enable bytes from Table 01h,
Registers F8h–FFh with the MASK bit enabled (Table 02h, Register 89h). In this case Table 01h is empty.
Table 06h Register Map
TABLE 06h (APC LUT)
ROW
ROW
WORD 0
WORD 1
WORD 2
WORD 3
(hex)
80 –9F
A0
NAME
<8> LUT6
<8> LUT6
BYTE 0/8
APC REF
APC REF
BYTE 1/9
APC REF
APC REF
BYTE 2/A
APC REF
APC REF
BYTE 3/B
APC REF
APC REF
BYTE 4/C
APC REF
RESERVED
BYTE 5/D
APC REF
RESERVED
BYTE 6/E
APC REF
RESERVED
BYTE 7/F
APC REF
RESERVED
The access codes represent the factory default values of PW_ENA and PW_ENB (Table 02h, Registers C0h–C1h).
ACCESS
CODE
Read
Access
Write
Access
<0>
See each
bit/byte
separately
<1>
All
PW2
<2>
All
N/A
<3>
All
All and
DS1874
hardware
<4>
PW2
PW2 +
mode
bit
<5>
All
All
<6>
N/A
All
<7>
PW1
PW1
<8>
PW2
PW2
<9>
N/A
PW2
<10>
PW2
N/A
<11>
All
PW1
______________________________________________________________________________________
33
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