R5F21236KFP#U0 Renesas Electronics America, R5F21236KFP#U0 Datasheet - Page 375

• Manufacturer Part Number: R5F21236KFP#U0
• Description: IC R8C/23 MCU FLASH 48LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/23r

Specifications of R5F21236KFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 48-LQFP
• For Use With: RCDK8C - KIT DEV EVAL FOR CAN 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 16.49
NOTE:
1. When receiving 1 byte, skip steps (2) to (6) after (1) and jump to process of step (7).
Process of step (8) is dummy-read in the ICDRR register.
ICSR register
ICIER register ACKBT bit ← 0
ICIER register
Example of Register Setting in Slave Receive Mode (I
Read RDRF bit in ICSR register
Read RDRF bit in ICSR register
Dummy-read in ICDRR register
No
No
Read ICDRR register
Read ICDRR register
Read ICDRR register
Slave receive mode
Page 353 of 501
RDRF = 1 ?
Yes
RDRF = 1 ?
Last receive
ACKBT bit ← 1
AAS bit ← 0
End
- 1 ?
No
Yes
Yes
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(1) Set the AAS bit to 0
(2) Set the ACKBT bit to the transmit device
(3) Dummy-read to the ICDRR register
(4) Wait 1 byte is received
(5) Judge (last receive - 1)
(6) Read the receive data
(7) Set the ACKBT bit of the last byte
(8) Read the receive data of (last byte - 1)
(9) Wait the last byte is received
(10) Read the receive data of the last byte
16. Clock Synchronous Serial Interface
2
C Bus Interface Mode)
(1)
(1)