R5F21272SDFP#U0 Renesas Electronics America, R5F21272SDFP#U0 Datasheet - Page 296

IC R8C/27 MCU FLASH 32LQFP

R5F21272SDFP#U0

Manufacturer Part Number
R5F21272SDFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21272SDFP#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
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°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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Quantity
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Part Number:
R5F21272SDFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
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Part Number:
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Manufacturer:
Renesas Electronics America
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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 16.14
NOTE:
1. Write 0 after reading 1 to set the TEND bit to 0.
(1)
(2)
(3)
Sep 26, 2008
SSSR register
SSER register
Sample Flowchart of Data Transmission (Clock Synchronous Communication Mode)
Write transmit data to SSTDR register
Read TDRE bit in SSSR register
Read TEND bit in SSSR register
Page 277 of 453
transmission
Initialization
TDRE = 1 ?
TEND = 1 ?
continues?
Start
Data
End
TEND bit ← 0
TE bit ← 0
Yes
No
Yes
No
(1)
Yes
No
(2) Determine whether data transmission continues.
(3) When data transmission is completed, the TEND
(1) After reading the SSSR register and confirming
that the TDRE bit is set to 1, write the transmit
data to the SSTDR register. When the transmit
data is written to the SSTDR register, the TDRE
bit is automatically set to 0.
bit is set to 1. Set the TEND bit to 0 and the TE bit
to 0 and complete transmit mode.
16. Clock Synchronous Serial Interface

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