UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 515
UPD78F0535GB(T)-UEU-A
Manufacturer Part Number
UPD78F0535GB(T)-UEU-A
Description
8BIT MCU, 60K FLASH, 3KB RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0535GBT-UEU-A.pdf
(773 pages)
Specifications of UPD78F0535GB(T)-UEU-A
Controller Family/series
UPD78
No. Of I/o's
55
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
60KB
Oscillator Type
External, Internal
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20.1 Functions of Key Interrupt
edge to the key interrupt input pins (KR0 to KR7).
20.2 Configuration of Key Interrupt
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.
KR7
KR6
KR5
KR4
KR3
KR2
KR1
KR0
KRM7 KRM6 KRM5 KRM4 KRM3 KRM2 KRM1 KRM0
Key return mode register (KRM)
Control register
Table 20-1. Assignment of Key Interrupt Detection Pins
KRM0
KRM1
KRM2
KRM3
KRM4
KRM5
KRM6
KRM7
CHAPTER 20 KEY INTERRUPT FUNCTION
Item
Flag
Figure 20-1. Block Diagram of Key Interrupt
Table 20-2. Configuration of Key Interrupt
User’s Manual U17260EJ6V0UD
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)
Description
Configuration
INTKR
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