R5F21237JFP Renesas Electronics America, R5F21237JFP Datasheet - Page 136

• Manufacturer Part Number: R5F21237JFP
• Description: MCU 3/5V 48K+2K 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/23r

Specifications of R5F21237JFP

• 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/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 12.17
Key Input Enable Register
b7 b6 b5 b4 b3 b2
NOTE:
1.
The IR bit in the KUPIC register may be set to 1 (requests interrupt) w hen the KIEN register is rew ritten.
Refer to 12.7.4 Changing Interrupt Sources.
KIEN Register
b1 b0
Bit Symbol
Symbol
KI0EN
KI0PL
KI1EN
KI1PL
KI2EN
KI2PL
KI3EN
KI3PL
Page 114 of 501
KIEN
(1)
KI0 input enable bit
KI0 input polarity select bit
KI1 input enable bit
KI1 input polarity select bit
KI2 input enable bit
KI2 input polarity select bit
KI3 input enable bit
KI3 input polarity select bit
Address
Bit Name
00FBh
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
After Reset
Function
00h
12. Interrupts
RW
RW
RW
RW
RW
RW
RW
RW
RW