ST10R272L STMicroelectronics, ST10R272L Datasheet - Page 60

• Manufacturer Part Number: ST10R272L
• Description: 16-BIT Romless MCU WITH MAC UNIT
• Manufacturer: STMicroelectronics

Specifications of ST10R272L

• Cpu Frequency: 0 to 50 MHz
• Power: 3.3 Volt +/-0.3V

ST10R272L - ELECTRICAL CHARACTERISTICS
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1
Parameter
Data hold after WR
ALE rising edge after RD,
WR
Address hold after RD, WR
Address hold after WRH
Latched CS setup to ALE
Unlatched CS setup to ALE
Latched CS low to Valid
Data In
Unlatched CS low to Valid
Data In
Latched CS hold after RD,
WR
Unlatched CS hold after RD,
WR
Address setup to RdCs,
WrCs (with RW-delay)
Address setup to RdCs,
WrCs (no RW-delay)
RdCS to Valid Data In
(with RW-delay)
RdCS to Valid Data In
(no RW-delay)
RdCS, WrCS Low Time
(with RW-delay)
RdCS, WrCS Low Time
(no RW-delay)
Data valid to WrCS
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
24
26
28
28h
38
38u
39
39u
41
41u
82
83
46
47
48
49
50
Table 18 Demultiplexed bus
CC
CC
CC
CC
CC
CC
SR
SR
CC
CC
CC
CC
SR
SR
CC
CC
CC
Max CPU Clock 50MHz
min.
5 +
-5 +
0
-9+
-1
-8
-7 +
3 +
–
–
3 +
0
-7
13 +
3 +
–
–
11 +
21 +
13 +
(no t
(no t
+
+
(no t
t
t
t
t
t
t
2t
F (
F (
F (
F
A
F
t
t
2t
t
t
t
F
A
F)
F)
C
C
C
A
t
t
t
F)
F>0)
F>0)
F>0)
A
max.
–
–
–
–
3 +
–
13
+
23
+
–
–
–
–
3 +
13 +
–
–
–
t
t
C
C
t
t
A
C
+ 2
+ 2
t
C
t
t
A
A
Variable CPU Clock
1/2TCL = 1 to 50 MHz
min.
TCL - 5 +
-5 +
0 (no
-9 +
-1 (no
-8 +
-7 +
TCL - 7 +
–
–
TCL - 7 +
0 (no
-7 +
2TCL - 7 +
TCL - 7 +
–
–
2TCL - 9 +
3TCL - 9 +
2TCL - 7 +
t
t
t
t
t
F
F (
F (
A
F (
t
t
F
F
t
F
t
t
t
)
)
F>0)
F>0)
F>0)
)
t
t
t
2t
F
A
F
2t
t
t
t
C
C
C
A
A
max.
–
–
–
–
3 +
–
3TCL - 17
+
4TCL - 17
+
–
–
–
–
2TCL - 17 +
3TCL - 17 +
–
–
–
t
t
C
C
t
A
+ 2
+ 2
t
t
A
A
t
t
C
C
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns