UPD78F1144AGB-GAH-AX Renesas Electronics America, UPD78F1144AGB-GAH-AX Datasheet - Page 600

• Manufacturer Part Number: UPD78F1144AGB-GAH-AX
• Description: MCU 16BIT 78K0R/KX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3r

Specifications of UPD78F1144AGB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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16.1 Functions of Key Interrupt
edge to the key interrupt input pins (KR0 to KR7).
16.2 Configuration of Key Interrupt
598
KR7/P77/INTP11
KR6/P76/INTP10
KR5/P75/INTP9
KR4/P74/INTP8
A key interrupt (INTKR) can be generated by setting the key return mode register (KRM) and inputting a falling
The key interrupt includes the following hardware.
KR3/P73
KR2/P72
KR1/P71
KR0/P70
KRM7 KRM6 KRM5 KRM4 KRM3 KRM2 KRM1 KRM0
Control register
Key return mode register (KRM)
Table 16-1. Assignment of Key Interrupt Detection Pins
KRM0
KRM1
KRM2
KRM3
KRM4
KRM5
KRM6
KRM7
CHAPTER 16 KEY INTERRUPT FUNCTION
Item
Flag
Figure 16-1. Block Diagram of Key Interrupt
Table 16-2. Configuration of Key Interrupt
User’s Manual U17854EJ9V0UD
Controls KR0 signal in 1-bit units.
Controls KR1 signal in 1-bit units.
Controls KR2 signal in 1-bit units.
Controls KR3 signal in 1-bit units.
Controls KR4 signal in 1-bit units.
Controls KR5 signal in 1-bit units.
Controls KR6 signal in 1-bit units.
Controls KR7 signal in 1-bit units.
Key return mode register (KRM)
Port mode register 7 (PM7)
Description
Configuration
INTKR