UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 379
UPD78F0138HGK-9ET-A
Manufacturer Part Number
UPD78F0138HGK-9ET-A
Description
MCU 8BIT 60K FLASH 64TQFP
Manufacturer
Renesas Electronics America
Series
78K0/Kx1+r
Datasheet
1.UPD78F0138HGK-9ET-A.pdf
(568 pages)
Specifications of UPD78F0138HGK-9ET-A
Core Processor
78K/0
Core Size
8-Bit
Speed
16MHz
Connectivity
3-Wire SIO, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
42
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.5 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
Contains lead / RoHS non-compliant
Eeprom Size
-
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18.3 Register Controlling Key Interrupt
(1) Key return mode register (KRM)
Cautions 1. If any of the KRM0 to KRM7 bits used is set to 1, set bits 0 to 7 (PU70 to PU77) of the
This register controls the KRM0 to KRM7 bits using the KR0 to KR7 signals, respectively.
This register is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input clears this register to 00H.
2. If KRM is changed, the interrupt request flag may be set. Therefore, disable interrupts and
3. The bits not used in the key interrupt mode can be used as normal ports.
Symbol
Address: FF6EH
KRM
corresponding pull-up resistor register 7 (PU7) to 1.
then change the KRM register. After that, clear the interrupt request flag and then enable
interrupts.
KRMn
KRM7
Figure 18-2. Format of Key Return Mode Register (KRM)
0
1
7
Does not detect key interrupt signal
Detects key interrupt signal
After reset: 00H
KRM6
CHAPTER 18 KEY INTERRUPT FUNCTION
6
User’s Manual U16899EJ3V0UD
KRM5
5
R/W
KRM4
Key interrupt mode control
4
KRM3
3
KRM2
2
KRM1
KRM0
0
377
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