EM78P468LAQ EMC [ELAN Microelectronics Corp], EM78P468LAQ Datasheet - Page 23
EM78P468LAQ
Manufacturer Part Number
EM78P468LAQ
Description
8-BIT Microcontroller
Manufacturer
EMC [ELAN Microelectronics Corp]
Datasheet
1.EM78P468LAQ.pdf
(83 pages)
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Product Specification (V1.0) 03.15.2006
(This specification is subject to change without further notice)
4.1.16
4.1.17
Bit 4 : Not used
Bit 3 (IROUTE) : Define the function of P5.7/IROUT pin.
Bit 2 (TCCE) : Define the function of P5.6/TCC pin.
Bit 1 (EINT1): Define the function of P5.5/INT1 pin.
Bit 0 (EINT0) : Define the function of P5.4/INT0 pin.
These bits are set to “1” when interrupt occurs respectively.
Bit 7 (ICIF) : PORT 6, PORT 8, input status changed interrupt flag. Set when PORT6,
PORT8 input changes.
Bit 6 (LPWTF) : interrupt flag of internal low-pulse width timer underflow.
Bit 5 (HPWTF) : interrupt flag of internal high-pulse width timer underflow.
Bit 4 (CNT2F) : interrupt flag of internal counter 2 under-flow.
Bit 3 (CNT1F) : interrupt flag of internal counter 1 underflow.
Bit 2 (INT1F ): external INT1 pin interrupt flag.
Bit 1 (INT0F) : external INT0 pin interrupt flag.
Bit 0 (TCIF) : TCC timer overflow interrupt flag. Set when TCC timer overflows.
R10~R31F and R20~R3F (Banks 0~3) are general purposes register.
Bit 7
ICIF
IROUTE = “0” : for bi-directional general I/O pin.
IROUTE = “1” : for IR or PWM output pin, the control bit of P5.7 (bit 7 of IOC50)
must be set to “0”
TCCE = “0” : for bi-directional general I/O pin.
TCCE = “1” : for external input pin of TCC, the control bit of P5.6 (bit 6 of IOC50)
must be set to “1”
EINT1 = “0” : for bi-directional general I/O pin.
EINT1 = “1” : for external interrupt pin of INT1, the control bit of P5.5 (bit 5 of
IOC50) must be set to “1”
EINT0 = “0” : for bi-directional general I/O pin.
EINT0 = “1” : for external interrupt pin of INT0, the control bit of P5.4 (bit 4 of
IOC50) must be set to “1”
(Address: 0Fh)
RF/ISR (Interrupt Status Register)
Address: 10h~3Fh;R10~R3F (General Purpose Register)
LPWTF
Bit 6
HPWTF
Bit 5
CNT2F
Bit 4
CNT1F
Bit 3
INT1F
Bit 2
8-BIT Microcontroller
INT0F
Bit 1
EM78P468L
Bit 0
TCIF
• 19
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