R5F212B7SNFP#U0 Renesas Electronics America, R5F212B7SNFP#U0 Datasheet - Page 435
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 16.17
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Nov 26, 2007
SSCRH register
SSCRH register
SSER register
Sample Flowchart of Data Reception (MSS = 1) (Clock Synchronous Communication
Mode)
Read receive data in SSRDR register
Read receive data in SSRDR register
Read ORER bit in SSSR register
Read ORER bit in SSSR register
Read RDRF bit in SSSR register
Dummy read of SSRDR register
Read RDRF in SSSR register
No
No
Page 413 of 580
ORER = 1 ?
ORER = 1 ?
Initialization
RDRF = 1 ?
RDRF = 1 ?
received?
Last data
Start
End
RSSTP bit ← 1
RSSTP bit ← 0
RE bit ← 0
No
No
Yes
No
Yes
Yes
Yes
Yes
processing
Overrun
error
(3) If a receive error occurs, perform error
(6) Processing after reading the ORER bit. Then set
(1) After setting each register in the clock synchronous
(2) Determine whether it is the last 1 byte of data to be
(4) Confirm that the RDRF bit is set to 1. If the RDRF
(5)Before the last 1 byte of data is received, set the
(7) Confirm that the RDRF bit is set to 1. When the
RSSTP bit to 1 and stop after the data is
received.
the ORER bit to 0. Transmission/reception cannot
be restarted while the ORER bit is set to 1.
serial I/O with chip select register, a dummy read of
the SSRDR register is performed and the receive
operation is started.
received. If so, set to stop after the data is received.
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.
receive operation is completed, set the RSSTP bit to
0 and the RE bit to 0 before reading the last 1 byte
of data. If the SSRDR register is read before setting
the RE bit to 0, the receive operation is restarted
again.
16. Clock Synchronous Serial Interface
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