參數(shù)資料
型號(hào): ADSP-2186LBST-115
廠(chǎng)商: ANALOG DEVICES INC
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: DSP Microcomputer
中文描述: 24-BIT, 20 MHz, OTHER DSP, PQFP100
封裝: MS-026BED, LQFP-100
文件頁(yè)數(shù): 16/36頁(yè)
文件大?。?/td> 237K
代理商: ADSP-2186LBST-115
ADSP-2186
TIMING PARAMETERS
–16–
REV. A
Parameter
Min
Max
Unit
Clock Signals and Reset
Timing Requirements
:
t
CKI
t
CKIL
t
CKIH
CLKIN Period
CLKIN Width Low
CLKIN Width High
50
20
20
150
ns
ns
ns
Switching Characteristics:
t
CKL
t
CKH
t
CKOH
CLKOUT Width Low
CLKOUT Width High
CLKIN High to CLKOUT High
0.5 t
CK
– 7
0.5 t
CK
– 7
0
ns
ns
ns
20
Control Signals
Timing Requirements
:
t
RSP
t
MS
t
MH
RESET
Width Low
1
Mode Setup before
RESET
High
Mode Setup after
RESET
High
5 t
CK
2
5
ns
ns
ns
NOTE
1
Applies after power-up sequence is complete. Internal phase lock loop requires no more than 2000 CLKIN cycles assuming stable CLKIN (not including crystal
oscillator start-up time).
t
CKOH
t
CKH
t
CKI
t
CKIH
t
CKIL
t
CKL
t
MH
t
MS
CLKIN
CLKOUT
PF(2:0)
*
RESET
*
PF2 IS MODE C, PF1 IS MODE B, PF0 IS MODE A
Figure 11. Clock Signals
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