R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 364

• Manufacturer Part Number: R5F21237DFP#U0
• Description: IC R8C/23 MCU FLASH 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/23r

Specifications of R5F21237DFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K 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: 48-LQFP
• For Use With: RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 16.38
(master output)
(master output)
ICCR1 register
(slave output)
(slave output)
ICSR register
ICSR register
ICDRS register
ICDRR register
ICDRT register
TDRE bit in
TEND bit in
TRS bit in
by program
Process
SDA
SDA
SCL
SCL
Operating Timing in Slave Transmit Mode (I
1
0
1
0
1
0
Data n
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A
9
b7
Data n
1
b6
2
(3) Set the TEND bit to 0
b5
3
b4
4
b3
5
b2
2
6
(4) Dummy-read of ICDRR register
C Bus Interface Mode) (2)
after setting TRS bit to 0
b1
Slave transmit mode
7
16. Clock Synchronous Serial Interface
b0
8
9
A
(5) Set TDRE bit to 0
Slave receive
mode