参数资料
型号: SMQ320C32PCMM50
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 24-BIT, 50 MHz, OTHER DSP, PQFP144
封装: PLASTIC, QFP-144
文件页数: 22/50页
文件大小: 674K
代理商: SMQ320C32PCMM50
SMQ320C32
DIGITAL SIGNAL PROCESSOR
SGUS027B – APRIL 1998 – REVISED MARCH 1999
29
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
timing for XF0 and XF1 when executing SIGI (see Figure 22)
NO
’320C32-50
’320C32-60
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
41.1
td(H3H-XF0L)
Delay time, H3 high to XF0 low
12
11
ns
42
td(H3H-XF0H)
Delay time, H3 high to XF0 high
12
11
ns
43
tsu(XF1)
Setup time, XF1 before H1 low
9
8
ns
44
th(XF1)
Hold time, XF1 after H1 low
0
ns
H3
H1
Fetch
SIGI
Decode
Read
Execute
XF0
XF1
43
44
41.1
42
Figure 22. XF0 and XF1 When Executing SIGI
timing for loading XF register when configured as an output pin (see Figure 23)
NO
’320C32-50
’320C32-60
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
45
tv(H3H-XF)
Valid time, H3 high to XF valid
12
11
ns
Fetch Load
Decode
Read
Execute
H3
H1
OUTXF Bit
XFx
1 or 0
45
Instruction
OUTXFx represents either bit 2 or 6 of the IOF register.
Figure 23. Loading XF Register When Configured as an Output Pin
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