Oki MSM80C154S - Manual (Page 16)

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¡ Semiconductor MSM80C154S/83C154S
Interrupt priority bit for external interrupt 0.
Priority is assigned when bit is "1".
NAME ADDRESS
MSB LSB
7 6 5 4 3 2 1 0
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)