upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 431

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

The V850E/RS1 includes two 3-wire serial interfaces (CSIB).
13.1 Features
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Remark:
13.2 Configuration
CSIB consists of the following hardware:
Remark:
Master mode and slave mode selectable
3-wire serial interface for 8-bit to 16-bit transfer
Interrupt request signals (INTCBnT and INTCBnR)
Serial clock and data phase selectable
Transfer data length selectable from 8 to 16 bits in 1-bit units
Data transfer with MSB- or LSB-first selectable
3-wire
Transmission mode, reception mode, and transmission/reception mode selectable
Register
Reception data input
Transmit data output
Serial clock input/output
Control register
n = 0, 1
n = 0, 1
Item
Chapter 13 3-Wire Serial Interface (CSIB)
Table 13-1: Configuration of CSIB0, CSIB1
User’s Manual U16702EE3V2UD00
SOBn:
SIBn:
SCKBn:
CSIBn reception data register (CBnRX)
CSIBn transmit data register (CBnTX)
2 (SIB0, SIB1)
2 (SOB0, SOB1)
2 (SCKB0, SCKB1)
CSIBn control register 0 to 2 (CBnCTL0 to CBnCTL2)
CSIBn status register (CBnSTR)
Serial data output
Serial data input
Serial clock I/O
Configuration
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