參數(shù)資料
型號: DS1877T+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 19/65頁
文件大?。?/td> 0K
描述: IC CTLR/MON SFP 1-2CH 28TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: SFP+ 控制器
輸入類型: 邏輯
輸出類型: 邏輯
接口: I²C
電流 - 電源: 2.5mA
安裝類型: 表面貼裝
封裝/外殼: 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 帶卷 (TR)
其它名稱: 90-1877T+TRL
26
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Lower Memory Register Map
<C> or <_/C> = Common, <D> or <_/D> = Different, <M> or <_/M> = Mixture of common and different.
Table 01h Register Map
<C> or <_/C> = Common, <D> or <_/D> = Different, <M> or <_/M> = Mixture of common and different.
Note: The ALARM ENABLE bytes (Registers F8hFFh) can be configured to exist in Table 05h instead of here at Table 01h with
the MASK bit (Table 02h, Register 88h). If the row is configured to exist in Table 05h, these locations are empty in Table 01h.
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.
LOWER MEMORY
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
00–07
<1/C>THRESHOLD0
TEMP ALARM HI
TEMP ALARM LO
TEMP WARN HI
TEMP WARN LO
08–0F
<1/C >THRESHOLD1
VCC ALARM HI
VCC ALARM LO
VCC WARN HI
VCC WARN LO
10–1F
<1/C>EEPROM
EE
20–27
<1/D>THRESHOLD4
RSSI ALARM HI
RSSI ALARM LO
RSSI WARN HI
RSSI WARN LO
28–37
<1/C >EEPROM
EE
38–4F
<1/D >EEPROM
EE
50–5F
<1/C >EEPROM
EE
60–67
<2/C>ADC VALUES0
TEMP VALUE
VCC VALUE
RESERVED
68–6F
<0/M>ADC VALUES1
<2/D>
RSSI VALUE
RESERVED
<0/M>STATUS
<3/D>UPDATE
70–77
<2/D>ALARM/WARN
ALARM3
ALARM2
RESERVED
ALARM0
WARN3
RESERVED
78–7F
<0/M>TABLE SELECT
RESERVED
<6/C>PWE MSW
<6/C>PWE LSW
<5/D>TBL SEL
TABLE 01h
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–BF
<7/C>EEPROM
EE
C0–F7
<8/C>EEPROM
EE
F8–FF
<7/M>ALARM ENABLE <C>ALARM EN3 <D>ALARM EN2
RESERVED
<D>ALARM EN0 <C>WARN EN3
RESERVED
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
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