Datasheet

31Maxim Integrated
Gigabit Multimedia Serial Link with Spread
Spectrum and Full-Duplex Control Channel
MAX9259/MAX9260
Figure 28. Format Conversion between UART and I
2
C with Register Address (I2CMETHOD = 0)
Figure 29. Format Conversion between UART and I
2
C in Command-Byte-Only Mode (I2CMETHOD = 1)
11
SYNC FRAME REGISTER ADDRESS NUMBER OF BYTESDEVICE ID + WR DATA 0
DEV ID A
11 11 11 11
DATA N
11 11
S
1 11
ACK FRAME
7
: MASTER TO SLAVE
8
MAX9259/MAX9260 PERIPHERAL
W
1
REG ADDR
8
A
1181
11
SYNC FRAME REGISTER ADDRESS NUMBER OF BYTESDEVICE ID + RD
11 11 11 11
ACK FRAME
DATA 0
11
DATA N
11
UART-TO-I
2
C CONVERSION OF WRITE PACKET (I2CMETHOD = 0)
UART-TO-I
2
C CONVERSION OF READ PACKET (I2CMETHOD = 0)
S: START P: STOP A: ACKNOWLEDGE
: SLAVE TO MASTER
DATA 0A DATA NAP
DEV ID AS
117
W
1
DEV ID AS
117
R
1
DATA NP
18
A
1
DATA 0
8
A
1
REG ADDR
8
A
1
FC
MAX9259/MAX9260
FC
MAX9259/MAX9260
MAX9259/MAX9260 PERIPHERAL
: MASTER TO SLAVE
MAX9259/MAX9260
MAX9259/MAX9260
MAX9259/MAX9260
UART-TO-I
2
C CONVERSION OF READ PACKET (I2CMETHOD = 1)
UART-TO-I
2
C CONVERSION OF WRITE PACKET (I2CMETHOD = 1)
FC
MAX9259/MAX9260FC
SYNC FRAME
11 11 11 11 11 11 11
1111 11 11 11 11 11
DEVICE ID + RD REGISTER ADDRESS NUMBER OF BYTES
SYNC FRAME DEVICE ID + WR REGISTER ADDRESS NUMBER OF BYTES DATA 0 DATA N ACK FRAME
ACK FRAME DATA 0 DATA N
DATA NADATA 0WADEV IDS AP
PERIPHERAL
PERIPHERAL
S
1118
88
11117 11
8
1117
DEV ID RA AAPDATA 0 DATA N
: SLAVE TO MASTER S: START P: STOP A: ACKNOWLEDGE