Serial Interface Channel 2 Configuration; Serial Interface Channel 2 Block Diagram - NEC PD78076 User Manual

Pd78078 series; pd78078y series 8-bit single-chip microcontrollers

Table of Contents

20.2 Serial Interface Channel 2 Configuration

Serial interface channel 2 consists of the following hardware.

Control register

Note Refer to Figure 6-15 Block Diagram of P70 and Figure 6-16 Block Diagram of P71 and

See Figure 20-2 for the baud rate generator configuration.

CHAPTER 20 SERIAL INTERFACE CHANNEL 2

Table 20-1. Serial Interface Channel 2 Configuration

Transmit shift register (TXS)

Receive shift register (RXS)

Receive buffer register (RXB)

Serial operating mode register 2 (CSIM2)

Asynchronous serial interface mode register (ASIM)

Asynchronous serial interface status register (ASIS)

Baud rate generator control register (BRGC)

Port mode register 7 (PM7)

Figure 20-1. Serial Interface Channel 2 Block Diagram

Asynchronous

Serial Interface

Status Register

Receive Buffer

Shift Register

INTSR/INTCSI2

Serial Operating

Mode Register 2

Configuration

Internal Bus

Asynchronous

Serial Interface

Mode Register

Shift Register

Transmission

Control Circuit

Baud Rate Generator

MDL3 MDL2 MDL1 MDL0

Internal Bus

TPS3 TPS2 TPS1 TPS0

Baud Rate Generator

Control Register