R5F21191SP#U0 Renesas Electronics America, R5F21191SP#U0 Datasheet - Page 172

R5F21191SP#U0

Manufacturer Part Number

R5F21191SP#U0

Description

IC R8C MCU FLASH 8K 20SSOP

Manufacturer

Renesas Electronics America

Series

M16C™ M16C/R8C/Tiny/19r

Datasheets

1.R5F211A2SPU0.pdf (300 pages)

2.R5F21181DSPU0.pdf (43 pages)

3.R5F21181DSPU0.pdf (259 pages)

Specifications of R5F21191SP#U0

Core Processor

R8C

Core Size

16-Bit

Speed

20MHz

Connectivity

SIO, UART/USART

Peripherals

LED, POR, Voltage Detect, WDT

Number Of I /o

Program Memory Size

4KB (4K x 8)

Program Memory Type

FLASH

Ram Size

384 x 8

Voltage - Supply (vcc/vdd)

2.7 V ~ 5.5 V

Data Converters

A/D 4x1b

Oscillator Type

Internal

Operating Temperature

-20°C ~ 85°C

Package / Case

20-SSOP

For Use With

R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Eeprom Size

Current page: 172 of 259
Download datasheet (3Mb)

R8C/18 Group, R8C/19 Group

Rev.1.30

REJ09B0222-0130

Figure 15.8

Figure 15.9

15.1.1

15.1.2

transfer clock polarity.

Figure 15.9 shows the Transfer Format. Use the UFORM bit in the U0C0 register to select the

transfer format.

Figure 15.8 shows the Transfer Clock Polarity. Use the CKPOL bit in the U0C0 register to select the

Apr 14, 2006

Polarity Select Function

LSB First/MSB First Select Function

• When UFORM bit in U0C0 register = 0 (LSB first)

• When UFORM bit in U0C0 register = 1 (MSB first)

NOTE:

RXD0

CLK0

TXD0

CLK0

TXD0

Transfer Clock Polarity

Transfer Format

CLK0

• When the CKPOL bit in the U0C0 register = 0 (output transmit data at the falling

• When the CKPOL bit in the U0C0 register = 1 (output transmit data at the rising

RXD0

TXD0

edge and input the receive data at the rising edge of the transfer clock)

edge and input receive data at the falling edge of the transfer clock)

NOTES:

1. When not transferring, the CLK0 pin level is “H”.

2. When not transferring, the CLK0 pin level is “L”.

1. The above applies when the CKPOL bit in the U0C0 register is

(1)

(2)

set to 0 (output transmit data at the falling edge and input receive

data at the rising edge of the transfer clock).

Page 155 of 233

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15. Serial Interface

R5F21191SP#U0 Renesas Electronics America, R5F21191SP#U0 Datasheet - Page 172

R5F21191SP#U0

Specifications of R5F21191SP#U0

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