Rainbow-electronics MAX9258 Manual de usuario descargar pdf (Pagina 21)

MAX9257/MAX9258

______________________________________________________________________________________ 21

Fully Programmable Serializer/Deserializer

with UART/I

C Control Channel

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

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)

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

)

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 53 54

MAX9257/MAX9258 1
C Control Channel 1

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Rainbow-electronics MAX9258 Manual de usuario Pagina 21

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