R5F212B7SNFP#U0 Renesas Electronics America, R5F212B7SNFP#U0 Datasheet - Page 437
R5F212B7SNFP#U0
Manufacturer Part Number
R5F212B7SNFP#U0
Description
IC R8C/2B MCU FLASH 64-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/2Br
Specifications of R5F212B7SNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
55
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
64-LQFP
For Use With
R0K5212D8S001BE - KIT STARTER FOR R8C/2DR0K5212D8S000BE - KIT DEV FOR R8C/2D
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
Figure 16.18
NOTE:
(4)
(5)
(1)
(2)
(3)
(6)
Nov 26, 2007
1. Write 0 after reading 1 to set the TEND bit to 0.
SSSR register
SSER register
Sample Flowchart of Data Transmission/Reception (Clock Synchronous
Communication Mode)
Write transmit data to SSTDR register
Read receive data in SSRDR register
Read TDRE bit in SSSR register
Read RDRF bit in SSSR register
Read TEND bit in SSSR register
No
Page 415 of 580
transmission
RDRF = 1 ?
TEND = 1 ?
Initialization
TDRE = 1 ?
continues?
Start
Data
End
TEND bit ← 0
RE bit ← 0
TE bit ← 0
Yes
Yes
No
Yes
(2)
No
No
(1)
Yes
(2) Confirm that the RDRF bit is set to 1. If the RDRF
(3) Determine whether the data transmission
(4) When the data transmission is completed, the
(5) Set the TEND bit to 0 and bits RE and TE in
(6) the SSER register to 0 before ending transmit/
(1) After reading the SSSR register and confirming
bit is set to 1, read the receive data in the SSRDR
register. When the SSRDR register is read, the
RDRF bit is automatically set to 0.
continues
TEND bit in the SSSR register is set to 1.
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.
receive mode.
16. Clock Synchronous Serial Interface
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