UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 588

• Manufacturer Part Number: UPD78F0550MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0550MA-FAA-AX

• Package / Case: *
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 10MHz
• Number Of I /o: 12
• Core Processor: 78K/0
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Program Memory Size: 4KB (4K x 8)
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Peripherals: LVD, POR, PWM, WDT
• Connectivity: I²C, LIN, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

CHAPTER 18 KEY INTERRUPT FUNCTION
Item
78K0/KY2-L
78K0/KA2-L
78K0/KB2-L
78K0/KC2-L
( PD78F055x)
( PD78F056x)
( PD78F057x)
( PD78F058x)
16 pins
20 pins
30 pins
44 pins
48 pins
Key interrupt
4 ch
6 ch
18.1 Functions of Key Interrupt
A key interrupt (INTKR) can be generated by setting the key return mode register (KRM) and inputting a falling
edge to the key interrupt input pins (KRn).
Table 18-1. Assignment of Key Interrupt Detection Pins
Flag
Description
KRMn
Controls KRn signal in 1-bit units.
Remark n = 0 to 3: 44-pin products of 78K0/KC2-L
n = 0 to 5: 48-pin products of 78K0/KC2-L
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Preliminary User’s Manual U19111EJ2V1UD