ADSP-2101 AD [Analog Devices], ADSP-2101 Datasheet - Page 30

• Manufacturer Part Number: ADSP-2101
• Description: ADSP-2100 Family DSP Microcomputers
• Manufacturer: AD [Analog Devices]

ADSP-21xx
TIMING PARAMETERS (ADSP-2101/2105/2111/2115/2161/2163)
CLOCK SIGNALS & RESET
Parameter
Timing Requirement:
t
t
t
t
Switching Characteristic:
t
t
t
NOTES
1
oscillator startup time).
Applies after powerup sequence is complete. Internal phase lock loop requires no more than 2000 CLKIN cycles, assuming stable CLKIN (not including crystal
CK
CKL
CKH
RSP
CPL
CPH
CKOH
CLKIN Period
CLKIN Width Low
CLKIN Width High
RESET Width Low
CLKOUT Width Low
CLKOUT Width High
CLKIN High to CLKOUT 0
High
CLKOUT
CLKIN
13 MHz
Min
76.9
20
20
384.5
28.5
28.5
Max Min
150
20
13.824 MHz
72.3
20
20
361.5
26.2
26.2
0
Figure 29. Clock Signals
t
CKL
t
t
CK
Max Min
150
20
CPL
–30–
16.67 MHz
60
20
20
300
20
20
0
t
CKH
t
t
CKOH
CPH
Max
150
20
20 MHz
Min
50
20
20
250
15
15
0
Max
150
20
25 MHz
Min
40
15
15
200
10
10
0
Max
150
15
Frequency
Dependency
Min
20
20
5t
0.5t
0.5t
CK
CK
CK
1
– 10
– 10
Max Unit
REV. B
ns
ns
ns
ns
ns
ns
ns