UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 233

• Manufacturer Part Number: UPD78F9234MC-5A4-A
• Description: MCU 8BIT 8KB FLASH 30PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9234MC-5A4-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Address: FFECH
Symbol
INTM0
(3)
External interrupt mode register 0 (INTM0)
This register is used to set the valid edge of INTP0 to INTP2.
INTM0 is set with an 8-bit memory manipulation instruction.
Reset signal generation clears INTM0 to 00H.
Cautions 1. Be sure to clear bits 0 and 1 to 0.
ES21
ES21
ES11
ES01
7
0
0
1
1
0
0
1
1
0
0
1
1
After reset: 00H
ES20
ES20
ES10
ES00
2. Before setting the INTM0 register, be sure to set the corresponding interrupt mask flag
6
0
1
0
1
0
1
0
1
0
1
0
1
Figure 13-4. Format of External Interrupt Mode Register 0 (INTM0)
(
request flag (
enable interrupts.
MK = 1) to disable interrupts. After setting the INTM0 register, clear the interrupt
Falling edge
Rising edge
Setting prohibited
Both rising and falling edges
Falling edge
Rising edge
Setting prohibited
Both rising and falling edges
Falling edge
Rising edge
Setting prohibited
Both rising and falling edges
ES11
5
R/W
ES10
CHAPTER 13 INTERRUPT FUNCTIONS
4
IF
= 0), then clear the interrupt mask flag (
User’s Manual U17446EJ5V0UD
ES01
3
ES00
2
INTP2 valid edge selection
INTP1 valid edge selection
INTP0 valid edge selection
1
0
0
0
MK
= 0), which will
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