参数资料
型号: SM320C6701GLPS14
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 32-BIT, 140 MHz, OTHER DSP, CBGA429
封装: CERAMIC, BGA-429
文件页数: 50/62页
文件大小: 873K
代理商: SM320C6701GLPS14
SMJ320C6701
FLOATINGPOINT DIGITAL SIGNAL PROCESSOR
SGUS030A – APRIL 2000 – REVISED APRIL 2001
54
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
MULTICHANNEL BUFFERED SERIAL PORT TIMING (CONTINUED)
Bit 0
Bit(n-1)
(n-2)
(n-3)
(n-4)
Bit 0
Bit(n-1)
(n-2)
(n-3)
(n-4)
5
4
3
8
7
6
2
1
CLKX
FSX
DX
DR
Figure 33. McBSP Timing as SPI Master or Slave: CLKSTP = 10b, CLKXP = 0
timing requirements for McBSP as SPI master or slave: CLKSTP = 11b, CLKXP = 0 (see Figure 34)
NO
’C6701-14
’C6701-16
UNIT
NO.
MASTER
SLAVE
UNIT
MIN
MAX
MIN
MAX
4
tsu(DRV-CKXH) Setup time, DR valid before CLKX high
12
2 – 3P
ns
5
th(CKXH-DRV)
Hold time, DR valid after CLKX high
4
5 + 6P
ns
The effects of internal clock jitter are included at test. There is no need to adjust timing numbers for internal clock jitter. P = 1/CPU clock frequency
in ns. For example, when running parts at 167 MHz, use P = 6 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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