R5F21274JFP#U0 Renesas Electronics America, R5F21274JFP#U0 Datasheet - Page 332
R5F21274JFP#U0
Manufacturer Part Number
R5F21274JFP#U0
Description
MCU FLASH 2K FLASH 16K 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21274JFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 16.40
16.3.4
16.3.4.1
Set the FS bit in the SAR register to 1 to use the clock synchronous serial format for communication.
Figure 16.40 shows the Transfer Format of Clock Synchronous Serial Format.
When the MST bit in the ICCR1 register is set to 1, the transfer clock is output from the SCL pin, and when the
MST bit is set to 0, the external clock is input.
The transfer data is output between successive falling edges of the SCL clock, and data is determined at the
rising edge of the SCL clock. MSB-first or LSB-first can be selected as the order of the data transfer by setting
the MLS bit in the ICMR register. The SDA output level can be changed by the SDAO bit in the ICCR2 register
during transfer standby.
Sep 26, 2008
Clock Synchronous Serial Mode
SCL
SDA
Clock Synchronous Serial Format
Transfer Format of Clock Synchronous Serial Format
Page 313 of 453
b0
b1
b2
b3
b4
b5
16. Clock Synchronous Serial Interface
b6
b7
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