st2024c Sitronix Technology Corporation, st2024c Datasheet - Page 17
st2024c
Manufacturer Part Number
st2024c
Description
24k 8-bit Single Chip Microcontroller
Manufacturer
Sitronix Technology Corporation
Datasheet
1.ST2024C.pdf
(54 pages)
- Current page: 17 of 54
- Download datasheet (667Kb)
10.2.5 PA0/INTX
PA0
Falling or Rising edge is controlled by INTEG(PMCR[5]) and
the external interrupt is set up with “0” for falling edge and “1”
for rising edge. Please refer to the Figure 9-3.
Operating INTX interrupt step by step :
Ver 2.2
1.
2.
3.
4.
5.
can be used as an external interrupt input(INTX).
Set PA0 pin into input mode. (PCA[0])
Select edge level. (INTEG)
Clear INTX interrupt request flag. (IRX)
Set INTX interrupt enable bits. (IEX)
Clear CPU interrupt mask flag (I).
PA 0/INTX
PMCR[5]
FIGURE 10-3: INTX Logic Diagram
17/54
When programmer enables INTX and PT interrupts, PA0
trigger will occur. Both INTX and PT interrupts will happen
sequentially. Pelase refer to the operating steps.
Example :
Falling Edge Interrupt
RMB0
SMB5
RMB0
SMB0
CLI
.
.
.
.
.
.
<PCA
<PMCR
<IREQ
<IENA
;Set input mode.
;Rising edge.
;Clear IRQ flag.
;Enable INTX interrupt.
ST2024C
1/31/08
Related parts for st2024c
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
THYRISTORS
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
ADJUSTABLE INVERTING NEGATIVE OUTPUT CURRENT MODE PWM REGULATORS
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
0.25A SCRs
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
0.8A SCRs
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Smartcard MCU With 4 additional I/0
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
SERIAL 2K (256 x 8) EEPROM
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Search -----> STP10NB50FP
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Search ---> STP12NB30
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Search -----> STP13NK50Z
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
(MSS40 / MSS50) BACK TO BACK SCR MODULE
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Dmos Programmable High Speed Unipolar Stepper Motor Driver
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
Part Number:
Description:
LOW Votage Telephone Speech Circuit
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
Part Number:
Description:
Technical Article
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
Part Number:
Description:
Thyristormodule
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
Part Number:
Description:
SCR
Manufacturer:
ST Microelectronics
Datasheet: