ST72F321BR9T6 STMicroelectronics, ST72F321BR9T6 Datasheet - Page 145
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ST72F321BR9T6
Manufacturer Part Number
ST72F321BR9T6
Description
MCU 8BIT 60KB FLASH/ROM 64-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F321BK6T6.pdf
(187 pages)
Specifications of ST72F321BR9T6
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Processor Series
ST72F3x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
48
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7232X-EVAL, ST7232X-SK/RAIS, ST72321B-D/RAIS, ST7MDT20-DVP3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Cpu Family
ST7
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
2KB
# I/os (max)
48
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3.8V
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
LQFP
For Use With
497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
497-5586
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F321BR9T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
12.5 CLOCK AND TIMING CHARACTERISTICS
Subject to general operating conditions for V
12.5.1 General Timings
12.5.2 External Clock Source
Figure 73. Typical Application with an External Clock Source
Notes:
1. Data based on typical application software.
2. Time measured between interrupt event and interrupt vector fetch. Δt
the current instruction execution.
3. Data based on design simulation and/or technology characteristics, not tested in production.
t
t
Symbol
Symbol
w(OSC1H)
V
w(OSC1L)
V
t
t
t
r(OSC1)
f(OSC1)
c(INST)
OSC1H
t
OSC1L
v(IT)
I
L
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
OSC1 Input leakage current
OSC1H
OSC1L
v(IT)
EXTERNAL
CLOCK SOURCE
= Δt
c(INST)
Parameter
Parameter
+ 10
t
r(OSC1)
3)
2)
3)
ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
t
f(OSC1)
OSC2
OSC1
90%
f
f
see
V
DD
CPU
CPU
SS
10%
, f
Figure 73
=8MHz
=8MHz
≤ V
CPU
IN
Conditions
Conditions
≤ V
, and T
DD
t
Not connected internally
w(OSC1H)
A
.
c(INST)
I
is the number of t
L
t
0.7xV
w(OSC1L)
1.25
Min
250
10
2
Min
V
5
SS
f
DD
OSC
Typ
ST72XXX
375
3
Typ
CPU
1)
cycles needed to finish
0.3xV
1500
Max
2.75
Max
12
22
V
±1
15
DD
DD
145/187
Unit
Unit
t
t
CPU
CPU
ns
μA
μs
ns
V