Uart Registers; Serial Peripheral Interface; Overview - Analog Devices MAX96752 User Manual

UART Registers

Table 13.
MAX96752 UART Registers
Register Bits
Address
0x02 5
0x02 4
0x03 2
0x03 3
0x03 4

Serial Peripheral Interface

Overview

SPI interface is available on the GMSL devices. Unlike I
either serializer or deserializer; it is only used to transfer SPI data across the GMSL link. Typical SPI use cases are to
send commands for other devices or to stream data other than video data (e.g. for sensors). GMSL devices support
SPI transmission rate up to 25MHz.
The figure below shows the GMSL SPI architecture. On each side of the link, the GMSL devices become part of a
main-subordinate pair and have transmit and receive buffers inside. On the local side, an internal SPI slave receives
data from an external SPI main or micro-controller and transmits it across the serial link. On the remote side, the
device receives the data from GMSL link and uses an internal SPI master to transmit the data to the external SPI
peripheral/subordinate devices.
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POR
0b0 DIS_LOCAL_CC, Bit [5]: Disable primary UART Control Channel connection to
RX and TX pins
0b0 DIS_REM_CC, Bit [4]: Disable access to remote device control-channel over
GMSL link
0b0 UART_1_EN, Bit [2] Enable UART pass-through channel 1
0b0 UART_2_EN, Bit [3] Enable UART pass-through channel 2
0b0 I2CSEL, Bit [4] select between UART and I
Bootstrapped with the I2CSEL pin
Decode
C and UART, SPI cannot be used to modify any registers in
2
C for primary Control Channel.
2
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