AT89LP428-20MU ATMEL [ATMEL Corporation], AT89LP428-20MU Datasheet - Page 75

• Manufacturer Part Number: AT89LP428-20MU
• Description: 8-bit Microcontroller with 4K/8K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 15-1. GPI Block Diagram
.
Table 15-1.
3654A–MICRO–8/09
GPMOD = 9AH
Not Bit Addressable
Bit
(P1.7) GPI7
(P1.6) GPI6
(P1.5) GPI5
(P1.4) GPI4
(P1.3) GPI3
(P1.2) GPI2
(P1.1) GPI1
(P1.0) GPI0
GPMOD.x
GPMOD7
GPMOD
7
– General-purpose Interrupt Mode Register
0 = level-sensitive interrupt for P1.x
1 = edge-triggered interrupt for P1.x
GPMOD6
6
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
GPLS
7
6
5
4
3
2
1
0
GPMOD5
5
GPMOD
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
7
6
5
4
3
2
1
0
GPMOD4
4
7
6
5
4
3
2
1
0
GPIEN
CLK
GPMOD3
3
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
GPIF
GPMOD2
7
6
5
4
3
2
1
0
2
Reset Value = 0000 0000B
GPMOD1
AT89LP428/828
1
GPMOD0
Interrupt
0
75