UPD30121 NEC [NEC], UPD30121 Datasheet - Page 57

• Manufacturer Part Number: UPD30121
• Description: VR4121TM 64-/32-BIT MICROPROCESSOR
• Manufacturer: NEC [NEC]

Remark The broken lines indicate high impedance.
(14) High-speed system bus parameter (IOCHRDY) (2/2)
When WISAA (2:0) bits = 111
MEMR#/MEMW#
ADD (19:25),
MEMCS16#,
ADD (9:18)
IOCHRDY
ADD (0:8)
IOCS16#
LCDCS#
(output)
(output)
(output)
(output)
(output)
(output)
(input)
(input)
(input)
(input)
ZWS#
DATA
DATA
SHB#
Invalid
Invalid
Data Sheet U14691EJ1V0DS00
t
AVCL
t
DVCL
t
t
AVSV1
CLR
t
CLCH
t
RHCH
t
DS
t
t
DH
CHAV
t
CHRL
t
CHDV
t
CHCL
t
CHSV
Invalid
PD30121
57