參數(shù)資料
型號: ML63295A-XXXWA
廠商: LAPIS SEMICONDUCTOR CO LTD
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 2 MHz, MICROCONTROLLER, UUC212
封裝: 8.25 X 8.20 MM, 0.35 MM HEIGHT, DIE-212
文件頁數(shù): 30/39頁
文件大?。?/td> 253K
代理商: ML63295A-XXXWA
FEDL63295A-02
1Semiconductor
ML63295A
35/38
AC Characteristics (External Memory Interface)
(V
DD = 3.5 to 7.2 V, VSS = 0 V, VDDI = 5.0 V, Ta = –20 to +70°C unless otherwise specified)
(1)
For Reading from External Memory
(a) When the CPU operates at 32.768 kHz
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Read Cycle Time
t
RC
——
61.0
RD Output Delay Time
t
OE
——
5.0
Output Enable Time
t
OHA
——
5.0
External Memory Output Delay Time
t
DO
——
5.0
s
(b) When the CPU operates at 2 MHz (V
DD = 3.5 to 7.2 V)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Read Cycle Time
t
RC
—1.0
s
RD Output Delay Time
t
OE
100
Output Enable Time
t
OHA
100
External Memory Output Delay Time
t
DO
150
ns
AC characteristics timing
(“H” level = 4.0 V, “L” level = 1.0 V)
System clock
Port set value
Input data
Port set value
Address output
Port set value
t
RC
t
OE
t
OHA
t
DO
V
DDI
MOVXB obj, xadr16
MOVXB obj, [RA]
V
SS
V
SS
V
DDI
V
DDI
V
SS
Port set value
S1
S2
S1
S2
S1
S2
P7 to P4
(A15 to A0)
P8.0
(
RD)
PA, P9
(D7 to D0)
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