em78p257 ELAN Microelectronics Corp, em78p257 Datasheet - Page 41
em78p257
Manufacturer Part Number
em78p257
Description
8-bit Microcontroller
Manufacturer
ELAN Microelectronics Corp
Datasheet
1.EM78P257.pdf
(91 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
em78p257AM
Manufacturer:
SEMTECH
Quantity:
600
- Current page: 41 of 91
- Download datasheet (689Kb)
This specification is subject to change without prior notice.
/IRQn
In EM78P257A/B, each individual interrupt source has its own interrupt vector as depicted in Table 9.
VCC
Table 9 Interrupt vector
/RESET
Interrupt sources
Interrupt vector
D
RF
ENI/DISI
CLK
3EC
3EE
3FA
3FC
3FE
3F0
3F2
3F4
3F6
3F8
P
R
C
L
Q
Q
_
IOCF
Fig. 13 Interrupt backup diagram
Comparator CO4 interrupt
Comparator CO3 interrupt
Comparator CO2 interrupt
Comparator CO1 interrupt
Fig. 12 Interrupt input circuit
TCCC overflow interrupt
TCCB overflow interrupt
TCCA overflow interrupt
TCC overflow interrupt
Q
Q
_
Port 5 pin change
External interrupt
Interrupt status
IOCFRD
RFWR
P
R
C
L
CLK
41
D
RFRD
ACC
R3
IOCFWR
IRQn
IRQm
Interrupt
occurs
RETI
STACKACC
STACKR3
EM78P257
IOD
ENI/DISI
07.27.2004 (V1.4)
OTP ROM
INT
Related parts for em78p257
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual-tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and IPP detect function
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and IPP detect function
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and IPP detect function
Manufacturer:
ELAN Microelectronics Corp
Datasheet:
Part Number:
Description:
Tone/pulse switchable dialer with LCD interface and dual-tone melody generator
Manufacturer:
ELAN Microelectronics Corp
Datasheet: