Rainbow Electronics AT89LP214 - Manual (Page 37)

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3538A–MICRO–7/06
AT89LP213/214 [Preliminary]
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Table 16-2. GPLS – General-purpose Interrupt Level Select Register
GPLS = 9BH Reset Value = 0000 0000B
Not Bit Addressable
GPLS7 GPLS6 GPLS5 GPLS4 GPLS3 GPLS2 GPLS1 GPLS0
Bit 7 6 5 4 3 2 1 0
GPMOD.x 0 = detect low level or negative edge on P1.x
1 = detect high level or positive edge on P1.x
Table 16-3. GPIEN – General-purpose Interrupt Enable Register
GPIEN = 9CH Reset Value = 0000 0000B
Not Bit Addressable
GPIEN7 GPIEN6 GPIEN5 GPIEN4 GPIEN3 GPIEN2 GPIEN1 GPIEN0
Bit 7 6 5 4 3 2 1 0
GPIEN.x 0 = interrupt for P1.x disabled
1 = interrupt for P1.x enabled
Table 16-4. GPIF – General-purpose Interrupt Flag Register
GPIF = 9DH Reset Value = 0000 0000B
Not Bit Addressable
GPIF7 GPIF6 GPIF5 GPIF4 GPIF3 GPIF2 GPIF1 GPIF0
Bit 7 6 5 4 3 2 1 0
GPIF.x 0 = interrupt on P1.x inactive
1 = interrupt on P1.x active. Must be cleared by software.