參數(shù)資料
型號: TMS320C6727B_07
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Floating-Point Digital Signal Processors
中文描述: 浮點數(shù)字信號處理器
文件頁數(shù): 78/116頁
文件大?。?/td> 999K
代理商: TMS320C6727B_07
www.ti.com
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370C–SEPTEMBER 2006–REVISED OCTOBER 2007
Table 4-25. McASP Switching Characteristics
(1)
NO.
PARAMETER
MIN
20
20
20
20
MAX
UNIT
Cycle time, AHCLKR internal, AHCLKR output
Cycle time, AHCLKR external, AHCLKR output
Cycle time, AHCLKX internal, AHCLKX output
Cycle time, AHCLKX external, AHCLKX output
Pulse duration, AHCLKR internal, AHCLKR output
Pulse duration, AHCLKR external, AHCLKR output
Pulse duration, AHCLKX internal, AHCLKX output
Pulse duration, AHCLKX external, AHCLKX output
Cycle time, ACLKR internal, ACLKR output
Cycle time, ACLKR external, ACLKR output
Cycle time, ACLKX internal, ACLKX output
Cycle time, ACLKX external, ACLKX output
Pulse duration, ACLKR internal, ACLKR output
Pulse duration, ACLKR external, ACLKR output
Pulse duration, ACLKX internal, ACLKX output
Pulse duration, ACLKX external, ACLKX output
Delay time, ACLKR internal, AFSR output
Delay time, ACLKX internal, AFSX output
Delay time, ACLKR external input, AFSR output
Delay time, ACLKX external input, AFSX output
Delay time, ACLKR external output, AFSR output
Delay time, ACLKX external output, AFSX output
Delay time, ACLKR internal, AFSR output
Delay time, ACLKX internal, AFSX output
Delay time, ACLKR external input, AFSR output
Delay time, ACLKX external input, AFSX output
Delay time, ACLKR external output, AFSR output
Delay time, ACLKX external output, AFSX output
Delay time, ACLKX internal, AXRn output
Delay time, ACLKX external input, AXRn output
Delay time, ACLKX external output, AXRn output
Disable time, ACLKX internal, AXRn output
Disable time, ACLKX external input, AXRn output
Disable time, ACLKX external output, AXRn output
9
t
c(AHCKRX)
ns
(AHR/2) – 2.5
(2)
(AHR/2) – 2.5
(2)
(AHX/2) – 2.5
(3)
(AHX/2) – 2.5
(3)
10
t
w(AHCKRX)
ns
greater of 2P or 20 ns
(4)
greater of 2P or 20 ns
(4)
greater of 2P or 20 ns
(4)
greater of 2P or 20 ns
(4)
(AR/2) – 2.5
(5)
(AR/2) – 2.5
(5)
(AX/2) – 2.5
(6)
(AX/2) – 2.5
(6)
11
t
c(ACKRX)
ns
12
t
w(ACKRX)
ns
5
5
10
10
10
10
13
t
d(ACKRX-FRX)
ns
–1
–1
0
0
0
0
–1
0
0
–3
–3
–3
5
14
t
d(ACLKX-AXRV)
10
10
10
10
10
ns
15
t
dis(ACKX-AXRHZ)
ns
(1)
ACLKX internal – ACLKXCTL.CLKXM = 1, PDIR.ACLKX = 1
ACLKX external input – ACLKXCTL.CLKXM = 0, PDIR.ACLKX = 0
ACLKX external output – ACLKXCTL.CLKXM = 0, PDIR.ACLKX = 1
ACLKR internal – ACLKRCTL.CLKRM = 1, PDIR.ACLKR =1
ACLKR external input – ACLKRCTL.CLKRM = 0, PDIR.ACLKR = 0
ACLKR external output – ACLKRCTL.CLKRM = 0, PDIR.ACLKR = 1
AHR - Cycle time, AHCLKR.
AHX - Cycle time, AHCLKX.
P = SYSCLK2 period
AR - ACLKR period.
AX - ACLKX period.
(2)
(3)
(4)
(5)
(6)
Peripheral and Electrical Specifications
78
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