R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 123

• Manufacturer Part Number: R5F2121AJFP#U0
• Description: MCU FLASH 96K 5K CMOS 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F2121AJFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 12.17
Key Input Enable Register
b7 b6 b5 b4
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 12.6.4 Changing Interrupt Sources.
b3 b2
KIEN Register
b1 b0
Bit Symbol
Symbol
KI0EN
KI0PL
KI1EN
KI1PL
KI2EN
KI2PL
KI3EN
KI3PL
Page 105 of 458
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