EM357-RTR datasheet(85/240 Pages) ETC2

85 / 240 page

EM351 / EM357

8-14

120-035X-000D

Preliminary

SCx_RATEEXP

SC1_RATEEXP

Serial Clock Exponential Prescaler Register

Address: 0x4000C864 Reset: 0x0

SC2_RATEEXP

Serial Clock Exponential Prescaler Register

Address: 0x4000C064 Reset: 0x0

SC_RATEEXP

Bitname

Bitfield

Access

Description

SC_RATEEXP

[3:0]

The exponential component (EXP) of the clock rate in the equation:

rate = 12MHz / ( (LIN + 1) * (2^EXP) )

8.4

SPI - Slave Mode

Both SC1 and SC2 SPI controllers include a SPI slave controller with these features:

Full duplex operation

Up to 5 Mbps data transfer rate

Programmable clock polarity and clock phase

Selectable data shift direction (either LSB or MSB first)

Slave select input

8.4.1

GPIO Usage

The SPI slave controller uses four signals:

MOSI (Master Out, Slave In) – inputs serial data from the master

MISO (Master In, Slave Out) – outputs serial data to the master

SCLK (Serial Clock) – clocks data transfers on MOSI and MISO

nSSEL (Slave Select) – enables serial communication with the slave

EM357-RTR 数据表(PDF) 85 Page - List of Unclassifed Manufacturers

EM357-RTR 数据表(HTML) 85 Page - List of Unclassifed Manufacturers

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