UPD61052 NEC, UPD61052 Datasheet - Page 87

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

(9) Host CPU interface
(a) Parallel bus interface: Wait mode
CCS↓ → CA5 to CA0 delay time
CCS↓ → CWAIT delay time
CCS↓→ CWAIT release time
CA5 to CA0 → CRE↓ delay time
CCS↓ → CRE↓ delay time
CRE↓ → CWAIT delay time
CRE↓ → CWAIT release 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 → CWAIT release
time
CD7 to CD0 Hi-Z delay time
CA5 to CA0 → CWE↓ delay time
CCS↓ → CWE↓ delay time
CWE↓ → CWAIT delay time
CWE↓ → CWAIT release time
CWE↓ → CD7 to CD0 delay time
CWE↑ → CD7 to CD0 hold time
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
CWAD1
CRDY
ARD
CRD
RWD1
RRD
CDLD
RDLD
CDD
RDD
RDH
RAH
RCH
CDRH
CDW
CDZD
AWD
CWD
WWD1
WRD
WDD
WDH
Vs falling edge of CCS
Do not care
Vs falling edge of CCS
CCS later than CRE/CWE
Vs falling edge of CCS
CCS later than CRE/CWE
Vs CA5 to CA0
Vs falling edge of CCS
Vs falling edge of CRE
Vs falling edge of CRE
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
Earlier than rising edge of
CRE
Vs CD7 to CD0 fixed
Vs rising edge of CRE or CCS
Vs CA5 to CA0
Vs falling edge of CCS
Vs falling edge of CWE
Vs falling edge of CWE
Vs falling edge of CWE
Until data fixed
Vs rising edge of CWE
Data Sheet S15082EJ4V0DS
Conditions
Min.
−20
−20
−27
−27
−28
−20
10
−7
0
0
0
0
-
Typ.
µ
-
PD61051, 61052
Max.
175
175
150
150
150
15
15
12
15
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
(1/2)
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