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TMS320VC5502 Datasheet(PDF) 94 Page - Texas Instruments

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Part # TMS320VC5502
Description  Fixed-Point Digital Signal Processor
PDF  189 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS320VC5502 Datasheet(HTML) 94 Page - Texas Instruments

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TMS320VC5502
Fixed-Point Digital Signal Processor
SPRS166H – APRIL 2001 – REVISED NOVEMBER 2004
3.12.2.7
Parallel GPIO Enable Register 2 (PGPIOEN2)
15
14
13
12
11
10
9
8
Reserved
IO45EN
IO44EN
IO43EN
IO42EN
IO41EN
IO40EN
R/W, 00
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
7
6
5
4
3
2
1
0
IO39EN
IO38EN
IO37EN
IO36EN
IO35EN
IO34EN
IO33EN
IO32EN
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
LEGEND: R = Read, W = Write, n = value at reset
Figure 3-40. Parallel GPIO Enable Register 2 Layout (0x4406)
Table 3-43. Parallel GPIO Enable Register 2 Bit Field Description
(1)
BIT NAME
BIT NO.
ACCESS
RESET VALUE
DESCRIPTION
Reserved
15-14
R/W
00
Reserved
IOxEN
13-0
R/W
00000000000000 Enable or disable GPIO function of the corresponding I/O pins. See
Table 3-36, TMS320VC5502 PGPIO Cross-Reference.
•
IOxEN = 0:
GPIO function of corresponding signal is disabled, i.e., the pin
goes into a high-impedance state.
•
IOxEN = 1:
GPIO function of corresponding signal is enabled, i.e., the signal
supports its GPIO function.
(1)
x = value from 32 to 45
3.12.2.8
Parallel GPIO Direction Register 2 (PGPIODIR2)
15
14
13
12
11
10
9
8
Reserved
IO45DIR
IO44DIR
IO43DIR
IO42DIR
IO41DIR
IO40DIR
R/W, 00
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
7
6
5
4
3
2
1
0
IO39DIR
IO38DIR
IO37DIR
IO36DIR
IO35DIR
IO34DIR
IO33DIR
IO32DIR
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
LEGEND: R = Read, W = Write, n = value at reset
Figure 3-41. Parallel GPIO Direction Register 2 Layout (0x4407)
Table 3-44. Parallel GPIO Direction Register 2 Bit Field Description
(1)
BIT NAME
BIT NO.
ACCESS
RESET VALUE
DESCRIPTION
Reserved
15-14
R/W
00
Reserved
IOxDIR
13-0
R/W
00000000000000 Data direction bits that configure corresponding I/O pins either as
inputs or outputs. See Table 3-36, TMS320VC5502 PGPIO
Cross-Reference.
•
IOxDIR = 0: Configure corresponding pin as an input.
•
IOxDIR = 1: Configure corresponding pin as an output.
(1)
x = value from 32 to 45
Functional Overview
94



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