參數(shù)資料
型號: SM320C6201BGLPW15
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: DIGITAL SIGNAL PROCESSOR
中文描述: 數(shù)字信號處理器
文件頁數(shù): 54/64頁
文件大?。?/td> 948K
代理商: SM320C6201BGLPW15
SGUS031B
APRIL 2000
REVISED AUGUST 2001
54
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
MULTICHANNEL BUFFERED SERIAL PORT TIMING (CONTINUED)
timing requirements for FSR when GSYNC = 1 (see Figure 33)
NO.
C6201B
MIN
UNIT
MAX
1
tsu(FRH-CKSH)
th(CKSH-FRH)
Setup time, FSR high before CLKS high
4
ns
2
Hold time, FSR high after CLKS high
4
ns
2
1
CLKS
FSR External
CLKR/X (no need to resync)
CLKR/X (needs resync)
Figure 33. FSR Timing When GSYNC = 1
timing requirements for McBSP as SPI master or slave: CLKSTP = 10b, CLKXP = 0
(see Figure 34)
C6201B
NO.
MASTER
MIN
SLAVE
MIN
UNIT
MAX
MAX
4
tsu(DRV-CKXL)
th(CKXL-DRV)
Setup time, DR valid before CLKX low
12
2
3P
ns
5
Hold time, DR valid after CLKX low
4
5 + 6P
ns
P = 1/CPU clock frequency in ns. For example, when running parts at 200 MHz, use P = 5 ns.
For all SPI slave modes, CLKG is programmed as 1/2 of the CPU clock by setting CLKSM = CLKGDV = 1.
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