參數(shù)資料
型號: TMX320F2810PGFAEP
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processors
中文描述: 數(shù)字信號處理器
文件頁數(shù): 89/103頁
文件大?。?/td> 1341K
代理商: TMX320F2810PGFAEP
TMS320F2810, TMS320F2812
DIGITAL SIGNAL PROCESSORS
SPRS174B
APRIL 2001
REVISED SEPTEMBER 2001
89
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
GPIO mux (continued)
Table 63. GPAQUAL Register Bit Definitions
BIT
NAME
TYPE
RESET
DESCRIPTION
7:0
QUALPRD
R/W
0:0
Specifies the qualification sampling period:
0x00
no qualification (just SYNC to SYSCLKOUT)
0x01
QUALPRD = SYSCLKOUT/2
0x02
QUALPRD = SYSCLKOUT/4
.
0xFF
QUALPRD = SYSCLKOUT/510
15:8
reserved
R=0
0:0
Notes:
1.
GPADIR bit = 0, configures corresponding GPIO pin as an input. GPADIR bit = 1, configures corresponding
GPIO pin as an output.
2.
The GPADAT, GPASET, GPACLEAR, GPATOGGLE registers have the same bit to I/O signal mapping as
the GPAMUX and GPADIR registers.
3.
The GPADAT register is a R/W register. Reading the register will reflect the current state of the input I/O
signal (after qualification). Writing to the register will set the corresponding state of any I/O signal configured
as an output.
4.
The GPASET register is a write only register (reads back 0). Writing a 1 to the corresponding bit of an I/O
signal will cause the I/O signal to go high. Writing a 0 will have no effect.
5.
The GPACLEAR register is a write only register (reads back 0). Writing a 1 to the corresponding bit of an
I/O signal will cause the I/O signal to go low. Writing a 0 will have no effect.
6.
The GPATOGGLE register is a write only register (reads back 0). Writing a 1 to the corresponding bit of an
I/O signal will cause the I/O signal to toggle. Writing a 0 will have no effect.
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