UPD61052 NEC, UPD61052 Datasheet - Page 97

• Manufacturer Part Number: UPD61052
• Description: MPEG2 Audio / Video Encoder
• Manufacturer: NEC

(c) Parallel bus interface: Fixed wait mode
CCS↓ → CA5 to CA0 delay time
CRE pulse width
CA5 to CA0 → CRE↓ delay time
CCS↓ → CRE↓delay time
CCS↓ → CD7 to CD0 low-Z time
CRE↓ → CD7 to CD0 low-Z time
CCS↓ → CD7 to CD0 delay time
CRE↓ → CD7 to CD0 delay time
CRE↑ → CD7 to CD0 hold time
CRE↑ → CA5 to CA0 hold time
CRE↑ → CCS↑ hold time
CCS↑ → CD7 to CD0 hold time
CD7 to CD0 high-Z delay time
CWE pulse width
CA5 to CA0 → CWE↓ delay time
CCS↓ → CWE↓ delay time
CWE↓ → CD7 to CD0 delay time
CWE↑ → CD7 to CD0 hold time
CWE↑ → CA5 to CA0 hold time
CWE↑ → CCS↑ hold time
CCS↑ → CD7 to CD0 hold time
CRE/CWE recovery time
Access cycle after other device
Parameter
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CAD
RW
ARD
CRD
CDLD
RDLD
CDD
RDD
RDH
FRAH
FRCH
CDRH
CDZD
WW
AWD
CWD
WDD
WDH
FWAH
FWCH
CDWH
CAC
CCYC
Vs falling edge of CCS
Do not care
Vs CA5 to CA0
Vs falling edge of CCS
Vs falling edge of CCS
Data not fixed
Vs falling edge of CRE
Data not fixed
Vs falling edge of CCS
Data fixed
Vs falling edge of CRE
Data fixed
Vs rising edge of CRE
Earlier than rising edge of
CCS
Vs rising edge of CRE
Vs rising edge of CRE
Vs rising edge of CCS
Vs rising edge of CRE or CCS
Vs CA5 to CA0
Vs falling edge of CCS
Vs falling edge of CWE
Until data fixed
Vs rising edge of CWE
Vs rising edge of CWE
Vs rising edge of CWE
Vs rising edge of CCS
Data Sheet S15082EJ4V0DS
Conditions
Min.
175
−20
−20
−27
−27
150
−28
−20
−27
−27
200
−7
25
0
0
0
0
0
-
Typ.
µ
-
PD61051, 61052
Max.
150
150
12
30
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
97