Oki MSM80C154S Manual de usuario descargar pdf (Pagina 16)

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¡ SemiconductorMSM80C154S/83C154S

Interrupt priority bit for external interrupt 0.

Priority is assigned when bit is "1".

NAME

ADDRESS

MSB LSB

76543210

BIT LOCATION FLAG FUNCTION

IP 0B8H PCT — PT2 PS PT1 PX1 PT0 PX0

IP.0 PX0

IP.1 PT0

IP.2 PX1

IP.3 PT1

IP.4 PS

IP.5 PT2

Reserved bit. The output data is "1" if the bit is read.

IP.6 —

Priority interrupt circuit control bit.

The priority register contents are valid and priority assigned interrupts can be

processed when this bit is "0". When the bit is "1", the priority interrupt circuit is

stopped, and interrupts can only be controlled by the interrupt enable register (IE).

IP.7 PCT

Interrupt priority bit for timer interrupt 0.

Priority is assigned when bit is "1".

Interrupt priority bit for external interrupt 1.

Priority is assigned when bit is "1".

Interrupt priority bit for timer interrupt 1.

Priority is assigned when bit is "1".

Interrupt priority bit for serial port.

Priority is assigned when bit is "1".

Interrupt priority bit for timer interrupt 2.

Priority is assigned when bit is "1".

Interrupt priority register (IP)

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 35 36

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Oki MSM80C154S Manual de usuario Pagina 16