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): 76/105頁
文件大小: 1481K
代理商: TMS320C240PQQ
TMS320C240, TMS320F240
DSP CONTROLLERS
SPRS042D – OCTOBER 1996 – REVISED NOVEMBER 1998
76
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
READY timings
timing requirements over recommended operating conditions [H = 0.5t
c(CO)
]
(see Figure 30)
MIN
MAX
UNIT
tsu(R-CO)
Setup time, READY low before CLKOUT/IOPC1 high
14
16
ns
th(CO-R)
Hold time, READY low after CLKOUT/IOPC1 high
0
ns
tv(R)ARD
Valid time, READY after address valid on read
3H – 31
3H – 33§
ns
tv(R)AW
Valid time, READY after address valid on write
4H – 31
4H – 33§
ns
The READY timings are based on one software wait state. At full speed operation, the ’x240 does not allow for single READY-based wait states.
MIN value for ’C240 only
§MAX values for ’C240 only
PS, DS, or IS
CLKOUT/IOPC1
A0–A15
W/R
D0–D15
WE
READY
STRB
tv(R)AW
th(CO–R)
tsu(R–CO)
tv(R)ARD
Figure 30. READY Timings
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