R5F21274SNFP#U0 Renesas Electronics America, R5F21274SNFP#U0 Datasheet - Page 339

IC R8C/27 MCU FLASH 32LQFP

R5F21274SNFP#U0

Manufacturer Part Number
R5F21274SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21274SNFP#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)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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RENESAS/瑞萨
Quantity:
20 000
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Part Number:
R5F21274SNFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
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Manufacturer:
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Part Number:
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Manufacturer:
Renesas Electronics America
Quantity:
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 16.47
Sep 26, 2008
ICSR register
ICSR register
ICCR1 register
ICSR register
Write transmit data to ICDRT register
Write transmit data to ICDRT register
Example of Register Setting in Slave Transmit Mode (I
Read TDRE bit in ICSR register
Read TEND bit in ICSR register
Dummy read in ICDRR register
No
No
No
Slave transmit mode
TDRE = 1 ?
TEND = 1 ?
Last byte ?
Page 320 of 453
TEND bit ← 0
TDRE bit ← 0
AAS bit ← 0
End
TRS bit ← 0
Yes
Yes
Yes
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1) Set the AAS bit to 0
(2) Set the transmit data (except the last byte)
(3) Wait until the ICRDT register is empty
(4) Set the transmit data of the last byte
(5) Wait until the last byte is transmitted
(6) Set the TEND bit to 0
(7) Set to slave receive mode
(8) Dummy read the ICDRR register to release the
(9) Set the TDRE bit to 0
SCL signal
16. Clock Synchronous Serial Interface
2
C bus Interface Mode)

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