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C control channel, Max9258 register table – Rainbow Electronics MAX9258 User Manual

Page 21

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MAX9257/MAX9258

______________________________________________________________________________________

21

Fully Programmable Serializer/Deserializer

with UART/I

2

C Control Channel

REGISTER NAME

REGISTER

ADDRESS (hex)

POWER-UP VALUE

(hex)

POWER-UP DEFAULT SETTINGS

REG11

0x0B

0x00

GPIO7 = 0
GPIO6 = 0
GPIO5 = 0
GPIO4 = 0
GPIO3 = 0
GPIO2 = 0
GPIO1 = 0
GPIO0 = 0

REG12

0x0C

0xE0

PREEMP = 111, preemphasis = 0%
Reserved = 00000

REG13

0x0D

0x00

Reserved = 000000
I2CFILT = 00, I

2

C glitch filter settings:

1) 95kbps to 400kbps = 100ns
2) 400kbps to 1000kbps = 50ns
3) 1000kbps to 4250kbps = 10ns

REG14

0x0E

0x00

Reserved = 0000 000
LOCKED = read only

Table 1. MAX9257 Power-Up Default Register Map (continued)

REGISTER NAME

REGISTER

ADDRESS (hex)

POWER-UP VALUE

(hex)

POWER-UP DEFAULT SETTINGS

REG0

0x00

0xB5

PRATE = 10, 20MHz to 40MHz
SRATE = 11, 400Mbps to 840Mbps
PAREN = 0, parity disabled
PWIDTH = 101, parallel data width = 18

REG1

0x01

0x00

SPREAD = 00, spread spectrum = off
AER = 0, error count is reset by reading error registers
Reserved = 0 0000

REG2

0x02

0xA0

STODIV = 1010, STO clock is pixel clock divided by 1024
STOCNT = 0000, STO counter counts to 1

REG3

0x03

0xA0

ETODIV = 1010, ETO clock is pixel clock divided by 1024
ETOCNT = 0000, ETO counter counts to 1

REG4

0x04

0x20

VEDGE = 0, VSYNC active edge is falling
HEDGE = 0, HSYNC active edge is falling
CKEDGE = 1, pixel clock active edge is rising
Reserved = 0000
PRBSEN = 0, PRBS test disabled

REG5

0x05

0xF8

MAX9258 address = 1111 1000

REG6

0x06

0xFF

End frame = 1111 1111

REG7

0x07

0x00

INTMODE = 0, interface with peripheral is UART
INTEN = 0, interface with peripheral is disabled
FAST = 0, UART bit rate = DC to 4.25Mbps
CTO = 000, never come back
BITRATE = 00, base mode bit rate = 95kbps to 400kbps

Table 2. MAX9258 Power-Up Default Register Map (see the

MAX9258 Register Table

)