adsp-2185m Analog Devices, Inc., adsp-2185m Datasheet - Page 23

• Manufacturer Part Number: adsp-2185m
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

Parameter
Clock Signals and Reset
Timing Requirements:
t
t
t
Switching Characteristics:
t
t
t
Control Signals Timing Requirements:
t
t
t
NOTE
1
CKI
CKIL
CKIH
CKL
CKH
CKOH
RSP
MS
MH
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).
CLKIN Period
CLKIN Width Low
CLKIN Width High
CLKOUT Width Low
CLKOUT Width High
CLKIN High to CLKOUT High
RESET Width Low
Mode Setup before RESET High
Mode Hold after RESET High
CLKOUT
PF(3:0)
RESET
CLKIN
PF3 IS MODE D, PF2 IS MODE C, PF1 IS MODE B, PF0 IS MODE A
t
t
RSP
CKIL
t
CKI
t
MS
t
CKL
t
MH
Min
26.6
8
8
0.5t
0.5t
0
5t
2
5
t
CKOH
t
CK
CKH
CK
CK
1
t
CKIH
– 2
– 2
Max
80
13
ADSP-2185M
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns