Specifications

84
3706C–MICRO–2/11
AT89LP3240/6440
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Table 15-1. GPMOD – General-purpose Interrupt Mode Register
GPMOD = 9AH Reset Value = 0000 0000B
Not Bit Addressable
GPMOD7 GPMOD6 GPMOD5 GPMOD4 GPMOD3 GPMOD2 GPMOD1 GPMOD0
Bit76543210
GPMOD.x 0 = level-sensitive interrupt for P1.x
1 = edge-triggered interrupt for P1.x
Table 15-2. GPLS – General-purpose Interrupt Level Select Register
GPLS = 9BH Reset Value = 0000 0000B
Not Bit Addressable
GPLS7GPLS6GPLS5GPLS4GPLS3GPLS2GPLS1GPLS0
Bit76543210
GPMOD.x 0 = detect low level or negative edge on P1.x
1 = detect high level or positive edge on P1.x
Table 15-3. GPIEN – General-purpose Interrupt Enable Register
GPIEN = 9CH Reset Value = 0000 0000B
Not Bit Addressable
GPIEN7 GPIEN6 GPIEN5 GPIEN4 GPIEN3 GPIEN2 GPIEN1 GPIEN0
Bit76543210
GPIEN.x 0 = interrupt for P1.x disabled
1 = interrupt for P1.x enabled
Table 15-4. GPIF – General-purpose Interrupt Flag Register
GPIF = 9DH Reset Value = 0000 0000B
Not Bit Addressable
GPIF7 GPIF6 GPIF5 GPIF4 GPIF3 GPIF2 GPIF1 GPIF0
Bit76543210
GPIF.x 0 = interrupt on P1.x inactive
1 = interrupt on P1.x active. Must be cleared by software.