Input Configuration Register A2; Table 32-9 Input Configuration Register A2 Description - Motorola DragonBall MC9328MX1 Reference Manual

32.5.3.2 Input Configuration Register A2

ICONFA2_A
ICONFA2_B
ICONFA2_C
ICONFA2_D
BIT 31 30 29
pin 31
TYPE rw rw rw
1 1 1
RESET
BIT 15 14 13
pin 23
TYPE rw rw rw
1 1 1
RESET
Table 32-9. Input Configuration Register A2 Description
Name
ICONFA2 [i] Input Configuration—Corresponds
Bits 31–0 to pins 16–31 of the port and defines
which one of the four options is
driven to AOUT [i]. Each port pin [i]
(i = 16 through 31) requires two
ICONFA2 bits to determine the input
value.
MOTOROLA
Port A Input Configuration Register A2
Port B Input Configuration Register A2
Port C Input Configuration Register A2
Port D Input Configuration Register A2
28 27 26 25
pin 30 pin 29
rw rw rw rw
1 1 1 1
12 11 10 9
pin 22 pin 21
rw rw rw rw
1 1 1 1
Description
GPIO Module and I/O Multiplexer (IOMUX)
24 23 22 21
ICONFA2
pin 28 pin 27 pin 26
rw rw rw rw
1 1 1 1
0xFFFF
8 7 6 5
ICONFA2
pin 20 pin 19 pin 18
rw rw rw rw
1 1 1 1
0xFFFF
ICONFA2 ICONFA2
[2i – 32 + 1] [2i – 32]
0 0
0 1
1 0
1 1
Programming Model
0x0021C010
0x0021C110
0x0021C210
0x0021C310
20 19 18 17
pin 25 pin 24
rw rw rw rw
1 1 1 1
4 3 2 1
pin 17 pin 16
rw rw rw rw
1 1 1 1
Settings
Input Selected
GPIO-In [i]
Interrupt Status Register [i]
0
1
Addr
16
rw
1
0
rw
1
32-13