
MAX9273
22-Bit GMSL Serializer with Coax or
STP Cable Drive
19
Maxim Integrated
Table 1. Power-Up Default Register Map (see
Table 15)
REGISTER
ADDRESS (hex)
POWER-UP
DEFAULT (hex)
POWER-UP DEFAULT SETTINGS
(MSB FIRST)
0x00
0x80
SERID = 1000000, serializer device address
CFGBLOCK = 0, registers 0x00 to 0x1F are read/write
0x01
0x90
DESID = 1001000, deserializer device address
RESERVED = 0
0x02
0x1F
SS = 000, no spread spectrum
RESERVED = 1
PRNG = 11, automatically detect the pixel clock range
SRNG = 11, automatically detect serial-data rate
0x03
0x00
AUTOFM = 00, calibrate spread-modulation rate only once after locking
SDIV = 000000, auto calibrate sawtooth divider
0x04
0x07, 0x87
SEREN = 0 (AUTOS = high), SEREN = 1(AUTOS = low), serial link enable default
depends on AUTOS pin state at power-up
CLINKEN = 0, configuration link disabled
PRBSEN = 0, PRBS test disabled
SLEEP = 0, sleep mode disabled (see the Link Startup Procedure section)
INTTYPE = 01, local control channel uses UART
REVCCEN = 1, reverse control channel active (receiving)
FWDCCEN = 1, forward control channel active (sending)
0x05
0x01
I2CMETHOD = 0, I2C packets include register address
ENJITFILT = 0, jitter filter disabled
PRBSLEN = 00, continuous PRBS length
RESERVED = 00
ENWAKEN = 0, OUT- wake-up receiver disabled
ENWAKEP = 1, OUT+ wake-up receiver enabled
0x06
0x80, 0xA0
CMLLVL = 1000 or 1010, output level determined by the state of CONF1, CONF0 at
power-up
PREEMP = 0000, preemphasis disabled
0x07
0x00, 0x10
DBL = 0, double-input mode
DRS = 0, high data-rate mode
BWS = 0, 24-bit mode
ES = 0 or 1, edge-select input setting determined by the state of CONF1,
CONF0 at startup
RESERVED = 0
HVEN = 0, HS/VS encoding disabled
EDC = 00, 1-bit parity error detection
0x08
0x00
INVVS = 0, serializer does not invert VSYNC
INVHS = 0, serializer does not invert HSYNC
RESERVED = 000000
0x09
0x00
I2CSRCA = 0000000, I2C address translator source A is 0x00
RESERVED = 0