DS1878T+T Maxim Integrated Products, DS1878T+T Datasheet - Page 81
DS1878T+T
Manufacturer Part Number
DS1878T+T
Description
Current Mode PWM Controllers SFP+ Controller w/ MAX3946&3945
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1878TTR.pdf
(98 pages)
Specifications of DS1878T+T
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Table 02h, Register CBh–CCh: BIAS REGISTER
Table 02h, Register CDh: APC DAC
Table 02h, Register CEh: DEVICE ID
CCh
CBh
CDh
CEh
SFP+ Controller with Digital LDD Interface
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
The digital value used for BIAS and resolved from the APC. This register is updated after each decision of the APC
loop.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
The digital value used for APC reference and recalled from Table 06h at the adjusted memory address found in
TINDEX. This register is updated at the end of the temperature conversion.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Hardwired connections to show the device ID.
RESERVED
BIT 7
BIT 7
BIT 7
______________________________________________________________________________________
2
2
0
7
7
RESERVED
2
2
1
6
6
0000h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
N/A
Volatile
RESERVED
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
(PW2 and APC EN = 0) or (PW1 and RWTBL246 and APC EN = 0)
Volatile
78h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
N/A
ROM
2
2
1
5
5
RESERVED
2
2
1
4
4
RESERVED
2
2
1
3
3
RESERVED
2
2
0
2
2
RESERVED
2
2
0
1
1
BIT 0
BIT 0
BIT 0
2
2
2
0
8
0
0
81
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