Maxq family user’s guide: maxq2000 supplement – Maxim Integrated MAXQ Family Users Guide: MAXQ2000 Supplement User Manual
Page 45
Register Name:
PI6
Register Description:
Port 6 Input Register
Register Address:
M1[0Ah]
Bits 0 to 7: (PI6.0 to PI6.7) Port Pin Input Bits for P6.0 to P6.7. Each of these read-only bits reflects the logic state present at the
corresponding port pin.
Register Name:
PI7
Register Description:
Port 7 Input Register
Register Address:
M1[0Bh]
Bits 0 and 1: (PI7.0 and PI7.1) Port Pin Input Bits for P7.0 and P7.1. Each of these read-only bits reflects the logic state present at
the corresponding port pin.
Bits 2 to 7: (PI7.2 to PI7.7) Reserved
Register Name:
EIES1
Register Description:
External Interrupt Edge Select 1 Register
Register Address:
M1[0Ch]
Each bit in this register controls the edge select mode for an external interrupt, as follows:
0 = The external interrupt will trigger on a rising (positive) edge.
1 = The external interrupt will trigger on a negative (falling) edge.
Bit 0: (EIES1.0) Edge Select for External Interrupt 8 (IT8)
Bit 1: (EIES1.1) Edge Select for External Interrupt 9 (IT9)
Bit 2: (EIES1.2) Edge Select for External Interrupt 10 (IT10)
Bit 3: (EIES1.3) Edge Select for External Interrupt 11 (IT11)
Bit 4: (EIES1.4) Edge Select for External Interrupt 12 (IT12)
Bit 5: (EIES1.5) Edge Select for External Interrupt 13 (IT13)
Bit 6: (EIES1.6) Edge Select for External Interrupt 14 (IT14)
Bit 7: (EIES1.7) Edge Select for External Interrupt 15 (IT15)
MAXQ Family User’s Guide:
MAXQ2000 Supplement
Bit #
7
6
5
4
3
2
1
0
Name
PI6.7
PI6.6
PI6.5
PI6.4
PI6.3
PI6.2
PI6.1
PI6.0
Reset
s
s
s
s
s
s
s
s
Access
r
r
r
r
r
r
r
r
Bit #
7
6
5
4
3
2
1
0
Name
—
—
—
—
—
—
PI7.1
PI7.0
Reset
0
0
0
0
0
0
s
s
Access
r
r
r
r
r
r
r
r
Bit #
7
6
5
4
3
2
1
0
Name
IT15
IT14
IT13
IT12
IT11
IT10
IT9
IT8
Reset
0
0
0
0
0
0
0
0
Access
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Maxim Integrated
45