UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 500

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

(C) External maskable interrupt (INTKR)
(D) Software interrupt
500
IF:
IE:
ISP:
MK:
PR:
KRM: Key return mode register
Interrupt
request
Interrupt request flag
Interrupt enable flag
In-service priority flag
Interrupt mask flag
Priority specification flag
1 when KRMn = 1 (n = 0 to 7)
Interrupt
request
Figure 19-1. Basic Configuration of Interrupt Function (2/2)
Key
interrupt
detector
CHAPTER 19 INTERRUPT FUNCTIONS
IF
User’s Manual U17260EJ6V0UD
MK
Internal bus
Priority controller
IE
Priority controller
Internal bus
PR
Vector table
address generator
ISP
Vector table
address generator
Standby release signal