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参数资料
型号： TMP320R2812PBKA
厂商： Texas Instruments, Inc.
元件分类： 数字信号处理
英文描述： TMS320R2811, TMS320R2812 Digital Signal Processors
中文描述： TMS320R2811，TMS320R2812数字信号处理器
文件页数： 113/147页
文件大小： 2021K
代理商： TMP320R2812PBKA
Electrical Specifications
113
June 2004
SPRS257
If the XREADY signal is sampled in the Synchronous mode (USEREADY = 1, READYMODE = 0), then:
LR
≥
t
c(XTIM)
LW
≥
t
c(XTIM)
2.
Active:
AR
≥
2 x t
c(XTIM)
AW
≥
2 x t
c(XTIM)
NOTE
: Restriction does not include external hardware wait states
1.
Lead:
These requirements result in the following XTIMING register configuration restrictions
:
XRDLEAD
≥
1
No hardware to detect illegal XTIMING configurations
XRDACTIVE
≥
1
XRDTRAIL
≥
0
XWRLEAD
≥
1
XWRACTIVE
≥
1
XWRTRAIL
≥
0
X2TIMING
0, 1
Examples of valid and invalid timing when using Synchronous XREADY
:
XRDLEAD
0
1
1
XRDACTIVE
0
0
1
XRDTRAIL
0
0
0
XWRLEAD
0
1
1
XWRACTIVE
0
0
1
XWRTRAIL
0
0
0
X2TIMING
0, 1
0, 1
0, 1
Invalid
Invalid
Valid
No hardware to detect illegal XTIMING configurations
If the XREADY signal is sampled in the Asynchronous mode (USEREADY = 1, READYMODE = 1), then:
LR
≥
t
c(XTIM)
LW
≥
t
c(XTIM)
2.
Active:
AR
≥
2 x t
c(XTIM)
AW
≥
2 x t
c(XTIM)
NOTE
: Restriction does not include external hardware wait states
LR + AR
≥
4 x t
c(XTIM)
LW + AW
≥
4 x t
c(XTIM)
NOTE
: Restriction does not include external hardware wait states
1.
Lead:
3.
Lead + Active:
These requirements result in the following XTIMING register configuration restrictions
:
XRDLEAD
≥
1
No hardware to detect illegal XTIMING configurations
or
XRDACTIVE
≥
2
XRDTRAIL
0
XWRLEAD
≥
1
XWRACTIVE
≥
2
XWRTRAIL
0
X2TIMING
0, 1
XRDLEAD
≥
2
No hardware to detect illegal XTIMING configurations
XRDACTIVE
≥
1
XRDTRAIL
0
XWRLEAD
≥
2
XWRACTIVE
≥
1
XWRTRAIL
0
X2TIMING
0, 1
Examples of valid and invalid timing when using Asynchronous XREADY
:
XRDLEAD
0
1
1
1
1
2
XRDACTIVE
0
0
1
1
2
1
XRDTRAIL
0
0
0
0
0
0
XWRLEAD
0
1
1
1
1
2
XWRACTIVE
0
0
1
1
2
1
XWRTRAIL
0
0
0
0
0
0
X2TIMING
0, 1
0, 1
0
1
0, 1
0, 1
Invalid
Invalid
Invalid
Valid
Valid
Valid
No hardware to detect illegal XTIMING configurations
A
相关PDF资料
PDF描述
TMP320R2812PBKQ TMS320R2811, TMS320R2812 Digital Signal Processors
TMP320R2812PBKS TMS320R2811, TMS320R2812 Digital Signal Processors
TMP320R2812PGFA TMS320R2811, TMS320R2812 Digital Signal Processors
TMP320R2812PGFQ TMS320R2811, TMS320R2812 Digital Signal Processors
TMP320R2812PGFS TMS320R2811, TMS320R2812 Digital Signal Processors
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