Chapter 16 Clocked Serial Interface (Csib); Features - NEC V850ES/F 3-L Series User Manual

32-bit single-chip microcontroller

Table of Contents

Chapter 16 Clocked Serial Interface (CSIB)

The V850ES/Fx3-L microcontrollers have following instances of the Clocked

Serial Interface CSIB:

V850ES/FE3-L

Throughout this chapter, the individual instances of CSIB are identified by "n",

for example, CBnCTL0 for the CSIBn control register 0.

• Transfer rate: 8 Mbps to 2 Kbps (using dedicated baud rate generator)

• Master mode and slave mode selectable

• 8-bit to 16-bit transfer, 3-wire serial interface

• 2 interrupt request signals (INTCBnT and INTCBnR)

• Serial clock and data phase switchable

• Transfer data length selectable in 1-bit units between 8 and 16 bits

• Transfer data MSB-first/LSB-first switchable

• 3-wire transfer SOBn:

Transmission mode, reception mode, and transmission/reception mode

• Baud rate generator input for CSIB0

User's Manual U18743EE1V2UM00

V850ES/FF3-L

V850ES/FG3-L

CSIB0 to CSIB1

Serial data output

Serial data input

Serial clock input/output