Datasheet

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MAX9257A/MAX9258A
Fully Programmable Serializer/Deserializer
with UART/I
2
C Control Channel
MAX9257A Register Table (continued)
ADDRESS BITS DEFAULT NAME DESCRIPTION
4
7 0 VEDGE
VSYNC active edge at camera interface
0 = falling (default), 1 = rising
6 0 Reserved (set to 0)
5 1 CKEDGE
PCLK active edge at camera interface
0 = falling, 1 = rising (default)
4 0 PD
Power mode
0 = power-up, 1 = power-down
(when REM = 1 default is 1)
3 1 SEREN
Serialization enable
0 = disabled, 1 = enabled
(when REM = 1 default is 0)
2 0 BYPFPLL
Bypass filter PLL
0 = active (default), 1 = bypass
1 0 Reserved (set to 0)
0 0 PRBSEN
PRBS test enable
0 = disabled (default), 1 = enabled
5
7:1 1111101 DEVICEID 7-bit address of MAX9257A
0 0 Reserved (set to 0)
6
7:1 1111111 EF End frame to close control channel
0 1 Reserved (set to 1)
7
7:1 1111100 DESID 7-bit address ID of MAX9258A
0 0 Reserved (set to 0)
8
7 0 INTMODE
Interface mode
0 = UART (default), 1 = I
2
C
6 0 INTEN
Interface enable
0 = disabled (default), 1 = enabled
5 0 FAST
Fast UART transceiver
0 = bit rate = DC to 4.25Mbps (default), 1 = bit rate = 4.25Mbps to 10Mbps
4:2 000 CTO
Timer to come back from bypass mode (in bit time)
000 = never come back (default) 100 = 64
001 = 16 101 = 80
010 = 32 110 = 96
011 = 48 111 = 112
1:0 00 BITRATE
Control channel bit rate range in base mode
00 = 95kbps to 400kbps (default)
01 = 400kbps to 1000kbps
10 = 1000kbps to 4250kbps
11 = 1000kbps to 4250kbps