參數(shù)資料
型號: TMS320C240PQQ
英文描述: 16-Bit Microcontroller
中文描述: 16位微控制器
文件頁數(shù): 71/105頁
文件大?。?/td> 1481K
代理商: TMS320C240PQQ
TMS320C240, TMS320F240
DSP CONTROLLERS
SPRS042D – OCTOBER 1996 – REVISED NOVEMBER 1998
71
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
MEMORY AND PERIPHERAL INTERFACE TIMINGS
memory and parallel I/O interface readtimings
switching characteristics over recommended operating conditions for a memory read
@ 5 V [H = 0.5t
c(CO)
] (see Figure 27)
PARAMETER
MIN
MAX
UNIT
td(CO-A)RD
td(CO-SL)RD
td(CO-SH)RD
Delay time, CLKOUT/IOPC1 low to address valid
17
ns
Delay time, CLKOUT/IOPC1 low to STRB low
10
ns
Delay time, CLKOUT/IOPC1 low to STRB high
6
ns
td(CO-ACTL)RD
Delay time, CLKOUT/IOPC1 low to PS, DS, IS, and BR low
10
ns
td(CO-ACTH)RD
Delay time, CLKOUT/IOPC1 low to PS, DS, IS, and BR high
10
ns
timing requirements over recommended operating conditions for a memory read
@ 5 V [H = 0.5t
c(CO)
]
(see Figure 27)
MIN
MAX
2H – 32
UNIT
t(A)
ta(A)
Access time from address valid to read data
Access time, from address valid to read data
0 wait state
ns
1 wait state
4H – 32
tsu(D-COL)RD
th(COL-D)RD
All timings with respect to CLKOUT/IOPC1 assume CLKSRC[1:0] bits are set to select CPUCLK for output.
Setup time, data read before CLKOUT/IOPC1 low
15
ns
Hold time, data read after CLKOUT/IOPC1 low
2
ns
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