em78p809n ELAN Microelectronics Corp, em78p809n Datasheet - Page 29

• Manufacturer Part Number: em78p809n
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
External Interrupt
INT Pin
EXIE5
/INT0
/INT5
INT1
INT3
Bit 7
CALI
Bit 7
ADOSCR − AD Offset Control Register ( Address : 0Ch )
IMR1 − Interrupt Mask Register 1 ( Address : 0Eh )
Bit 7 (CALI) : Calibration enable bit for A/D offset
Bit 6 ( SIGN ) : Polarity bit of offset voltage
Bit 5 ~ Bit 3 ( VOF[2] ~ VOF[0] ) : Offset voltage bits
Bit 7 ( EXIE5 ) : External/INT5 pin Interrupt enable bit.
Bit 6 ( TCIE2 ) : Timer/Counter 2 Interrupt enable bit.
Bit 5 ( ADIE ) : ADC complete interrupt enable bit.
CALI = “0” : Calibration disable
CALI = “1” : Calibration enable
SIGN = “0” : Negative voltage
SIGN = “1” : Positive voltage
TCIE2 = “0” : disable TCIF2 interrupt
TCIE2 = “1” : enable TCIF2 interrupt
EXIE5 = “0” : disable EXIF5 interrupt
EXIE5 = “1” : enable EXIF5 interrupt
ADIE = “0” : disable ADIF interrupt
ADIE = “1” : enable ADIF interrupt
Function Pin
TCIE2
P73, /SLEEP
SIGN
Bit 6
Bit 6
Secondary
P80, TC3
P60
P61
VOF[2]
ADIE
Bit 5
Bit 5
ENI + INT0EN (IOCB)
ENI + EXIE1 (IMR2)
ENI + EXIE3 (IMR2)
ENI + EXIE5 (IMR2)
Enable Condition
VOF[1]
Bit 4
Bit 4
0
VOF[0]
EXIE3
Bit 3
Bit 3
Rising or Falling or
Rising or Falling
Rising/Falling
TCIE4
Bit 2
Bit 2
Falling
0
Edge
8-Bit Microcontroller
SPIE
Bit 1
Bit 1
0
EM78P809N
Digital Noise
15/Fc, 63/Fc
Reject
7/Fc
TCIE3
Bit 0
Bit 0
-
-
0
• 25