TCC76x
Specification Rev. 0.07
February 23, 2005
32-bit RISC Microprocessor for Digital Media Player
GPIO PORT
Preliminary
7-7
GPIO_C Data Register (GDATA_C)
0x80000320
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Data for GPIO_C[15:0] pin
* This register is valid only in TCC761.
If a certain GPIO_C pin is set to output mode and act as GPIO, the corresponding bit of
this register controls the status of GPIO_C pin; Low or High. If it is set to input mode and
act as GPIO, the corresponding bit represents the status of GPIO_C pin; Low or High.
GPIO_C Direction Control Register (GIOCON_C)
0x80000324
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Direction control for GPIO_C[15:0] pin
* This register is valid only in TCC761.
If a bit is set to 1, the corresponding GPIO pin is set to output mode. GPIO_C port works
only in 16-bit bus mode. In 32-bit bus mode, this port works as an upper half bus of 32-bit
data bus.
GPIO_D Data Register (GDATA_D)
0x80000330
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
Data for GPIO_D[21:16]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Data for GPIO_D[15:0] pins (Bits [14:0] are valid only in TCC761)
GPIO_D Direction Control Register (GIOCON_D)
0x80000334
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
Direction Control for GPIO_D[21:16]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Direction control for GPIO_D[15:0] pin (Bits [14:0] are valid only in TCC761)
* At power on reset, internal pull-up resistors are enabled for GPIO_D[21:18] pins.
If a bit is set to 1, the corresponding GPIO_D pin is set to output mode. If set to 0, GPIO_D pin is set to input
mode.
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