参数资料
型号: SM320C6201BGLPW20
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 32-BIT, 200 MHz, OTHER DSP, CBGA429
封装: CERAMIC, MO-156, BGA-429
文件页数: 50/66页
文件大小: 971K
代理商: SM320C6201BGLPW20
SM320C6201B, SMJ320C6201B
DIGITAL SIGNAL PROCESSOR
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
UNIT
NO.
MIN
MAX
UNIT
1
tsu(FRH-CKSH) Setup time, FSR high before CLKS high
4
ns
2
th(CKSH-FRH)
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
SLAVE
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
4
tsu(DRV-CKXL)
Setup time, DR valid before CLKX low
12
2 – 3P
ns
5
th(CKXL-DRV)
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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