ST72T511R9T6 STMicroelectronics, ST72T511R9T6 Datasheet - Page 138

• Manufacturer Part Number: ST72T511R9T6
• Description: Microcontrollers (MCU) UV EPROM 60K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72T511R9T6

• Data Bus Width: 8 bit
• Program Memory Type: EEPROM
• Program Memory Size: 60 KB
• Data Ram Size: 2048 B
• Interface Type: CAN, SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 5
• Operating Supply Voltage: 3 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-64
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

ST72311R, ST72511R, ST72512R, ST72532R
12.5 CLOCK AND TIMING CHARACTERISTICS
Subject to general operating condition for V
12.5.1 General Timings
12.5.2 External Clock Source
Figure 73. Typical Application with an External Clock Source
12.5.3 Crystal and Ceramic Resonator Oscillators
Notes:
1. Data based on typical application software.
2. Time measured between interrupt event and interrupt vector fetch. t
the current instruction execution.
3. Data based on design simulation and/or technology characteristics, not tested in production.
4. C
5. R
138/164
f
C
t
t
t
OSC
START
Symbol
Symbol
w(OSC1H)
V
w(OSC1L)
V
t
t
Symbol
t
L1
r(OSC1)
f(OSC1)
c(INST)
R
OSC1H
t
OSC1L
L1
S
v(IT)
, C
OBP
is the equivalent serial resistance of the crystal or ceramic resonator.
(resp.C
L2
V
V
Instruction cycle time
Interrupt reaction time
t
OSC1 input pin high level voltage
OSC1 input pin low level voltage
OSC1 high or low time
OSC1 rise or fall time
Oscillator bypass exteranl resistor
OSC1H
OSC1L
v(IT)
L2
Oscillator Frequency
Load capacitance
Oscillator start-up time
) is load capacitance on OSC1 (resp. OSC2) pin.
= t
c(INST)
Parameter
Parameter
Parameter
+ 10
t
r(OSC1)
4)
3)
2)
3)
t
f(OSC1)
DD
90%
f
f
see Figure 73
CPU
CPU
, f
10%
OSC
R
Depends on resonator quality. A typical value is 10ms
=8MHz
=8MHz
S
=100
Conditi ons
Condi tions
, and T
5)
t
Conditio ns
w(OSC1H)
A
.
c(INST)
is the number of t
t
0.7xV
w(OSC1L)
1.25
Min
250
10
2
Min
V
15
SS
DD
Typ
500
Min
Typ
4
12
4
CPU
1
1)
cycles needed to finish
0.3xV
1500
Max
Max
2.75
Max
16
21
12
22
V
15
DD
DD
Unit
MHz
Unit
Unit
t
t
pF
CPU
CPU
ns
k
ns
V
s