ST72F324BK4T3 STMicroelectronics, ST72F324BK4T3 Datasheet - Page 172
ST72F324BK4T3
Manufacturer Part Number
ST72F324BK4T3
Description
IC MCU 8BIT 16K FLASH 32-TQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F324BJ2T6.pdf
(198 pages)
Specifications of ST72F324BK4T3
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
32-TQFP, 32-VQFP
Processor Series
ST72F3x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7232X-EVAL, ST7MDT20-DVP3, ST7MDT20J-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
A/d Bit Size
10 bit
A/d Channels Available
12
Height
1.4 mm
Length
7 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
3.8 V
Width
7 mm
For Use With
497-6421 - BOARD EVAL DGTL BATT CHGR DESIGN497-5046 - 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
497-8241
ST72F324BK4T3
ST72F324BK4T3
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F324BK4T3
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
ST72F324BK4T3TR
Manufacturer:
STMicroelectronics
Quantity:
10 000
Electrical characteristics
Table 111. 10-bit ADC characteristics (continued)
1. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10k). Data
2. Injecting negative current on adjacent pins may result in increased leakage currents. Software filtering of the converted
172/198
Symbol
t
ADC
based on characterization results, not tested in production.
analog value is recommended.
Conversion time (Sample + Hold)
f
f
No. of sample capacitor loading cycles
No. of Hold conversion cycles
CPU
ADC
Figure 82. R
1. C
Figure 83. Recommended C
1. This graph shows that, depending on the input signal variation (f
Figure 84. Typical A/D converter application
= 8 MHz, Speed = 0,
= 2 MHz
the pad capacitance (3pF). A high C
f
stabilization time and decreased to allow the use of a larger serial resistor (R
ADC
PARASITIC
should be reduced.
Parameter
V
AIN
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus
AIN
R
max. vs f
AIN
C
AIN
ADC
AINx
Doc ID13466 Rev 4
AIN
45
40
35
30
25
20
15
10
1000
5
0
100
PARASITIC
0.1
with C
10
1
and R
0
0.01
Conditions
AIN
value will downgrade conversion accuracy. To remedy this,
AIN
V
= 0pF
DD
10
C
0.1
PARASITIC
values
V
0.6V
V
0.6V
f
AIN
T
T
(KHz)
(1)
(pF)
30
1
(1)
2kmax
Cain 10 nF
Cain 22 nF
Cain 47 nF
AIN
I
2 MHz
1 MHz
lkg
), C
70
10
Min
AIN
can be increased for
10-bit A/D
conversion
AIN)
Typ
.
7.5
11
4
ST72XXX
ST72324B-Auto
Max
C
12pF
ADC
1/f
Unit
µs
ADC