UPD78323 NEC, UPD78323 Datasheet - Page 68

• Manufacturer Part Number: UPD78323
• Description: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

68
t
Remarks 1.
CYK
Dependent Bus Timing Definition
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SAST
HSTA
DAR
DAID
DRID
DSTR
DRA
WRL
WSTH
DAW
DSTOD
DSTW
SODW
HWOD
DWST
WWL
2.
3.
T = t
n indicates the number of wait cycles defined by user software.
Depends on t
CYK
= 1/f
CLK
CYK
(f
for the bus timing shown in this table only.
CLK
is internal system clock frequency)
0.5T – 30
0.5T – 30
(2.5 + n) T – 90
(1.5 + n) T – 75
0.5T – 20
0.5T – 12
(1.5 + n) T – 40
0.5T – 25
T – 40
0.5T + 40
0.5T – 20
1.5T – 40
0.5T – 30
0.5T – 20
(1.5 + n) T – 40
T – 40
Expression
MIN./MAX.
MAX.
MAX.
MAX.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
MIN.
PD78323, 78324
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns