ST10R272L STMicroelectronics, ST10R272L Datasheet - Page 63

• 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

Write Cycle
Read Cycle
(D15-D8)
CLKOUT
(A15-A8)
A23-A16
(D15-D8)
P0 BUS
P0 BUS
WR(L),
D7-D0
D7-D0
WRH
BHE
ALE
CSx
RD
demultiplexed bus, with/without read/write delay, extended ALE
t
38u
t
5
t
6
Figure 21 External memory cycle:
t
38
t
t
81
81
t
t
80
80
t
17
ST10R272L - ELECTRICAL CHARACTERISTICS
t
39u
Address
t
39
t
16
t
15
t
t
13
13
t
14
t
12
t
12
Data Out
t
22
Data In
t
24
t
18
t
t
t
t
26
28
41
41u
t
,
21d
t
28h
t
20d
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