UPD17073 NEC, UPD17073 Datasheet - Page 92

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

92
reset
At
Interrupt edge
select register
Note
Power-ON
Clock stop
CE
Name
For the functions of IEG and INT flags, refer to 11.9 External (INT pin) Interrupt.
Figure 12-8. Configuration of Interrupt Edge Select Register
b
0
0
3
Flag symbol
b
N
T
0
1
0
0
0
I
2
b
M
B
C
K
0
1
T
1
0
0
0
1
b
G
E
0
1
0
0
0
I
0
Rising edge
Falling edge
32 ms (31.25 Hz)
8 ms (125 Hz)
Low level is input to INT pin.
High level is input to INT pin.
Fixed to “0”.
(BANK1)
Address
56H
Sets input edge to issue interrupt request of INT pin
Sets time interval at which IRQBTM1 flag is set
Read/
Write
R/W
Detects status of INT pin
Note
PD17072,17073
Note