ST72F321AR6T6 STMicroelectronics, ST72F321AR6T6 Datasheet - Page 168
ST72F321AR6T6
Manufacturer Part Number
ST72F321AR6T6
Description
MCU 8BIT 32KB FLASH 64TQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F321AR7T6.pdf
(193 pages)
Specifications of ST72F321AR6T6
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
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K 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-TQFP, 64-VQFP
Processor Series
ST72F3x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
1024 B
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
48
Number Of Timers
5
Operating Supply Voltage
3.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7F521-IND/USB, ST7232X-EVAL, ST7MDT20-DVP3, ST7MDT20J-EMU3, ST7MDT20M-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
497-4842
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F321AR6T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
ST72F321AR6T6
Manufacturer:
ST
Quantity:
20 000
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ST72321Rx ST72321ARx ST72321Jx
ADC CHARACTERISTICS (Cont’d)
Figure 96. R
Figure 98. Typical A/D Converter Application
Notes:
1. C
pacitance (3pF). A high C
2. This graph shows that depending on the input signal variation (f
decreased to allow the use of a larger serial resistor (R
168/193
PARASITIC
45
40
35
30
25
20
15
10
5
0
V
0
AIN
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the pad ca-
AIN
max. vs f
R
10
C
AIN
PARASITIC
PARASITIC
ADC
(pF)
C
30
AIN
with C
value will downgrade conversion accuracy. To remedy this, f
AINx
2 MHz
1 MHz
AIN
70
=0pF
1)
AIN)
.
V
DD
Figure 97. Recommended C
V
0.6V
V
0.6V
T
T
1000
AIN
100
0.1
10
1
), C
AIN
0.01
2kΩ(max)
can be increased for stabilization time and
I
±1μA
L
0.1
f
AIN
(KHz)
10-Bit A/D
Conversion
1
ADC
AIN
Cain 10 nF
Cain 22 nF
Cain 47 nF
should be reduced.
& R
10
AIN values.
ST72XXX
C
12pF
ADC
2)
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