ST72F321BAR9T6 STMicroelectronics, ST72F321BAR9T6 Datasheet - Page 166

• Manufacturer Part Number: ST72F321BAR9T6
• Description: MCU 8BIT 60KB FLASH/ROM 64-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F321BAR9T6

• 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, ST7MDT20J-EMU3, ST7MDT20M-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• 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: 497-5583

ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
12.12 10-BIT ADC CHARACTERISTICS
Subject to general operating conditions for V
Notes:
1. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10kΩ). Data
based on characterization results, not tested in production.
166/187
Symbol
V
C
V
R
C
f
t
t
f
ADC
AREF
ADC
ADC
I
AIN
ADC
AIN
lkg
AIN
AIN
ADC clock frequency
Analog reference voltage
Conversion voltage range
Positive input leakage current for analog
input
Negative input leakage current on ro-
bust analog pins
External input impedance
External capacitor on analog input
Variation freq. of analog input signal
Internal sample and hold capacitor
Conversion time (Sample+Hold)
f
- No of sample capacitor loading cycles
- No. of Hold conversion cycles
CPU
=8MHz, SPEED=0 f
Parameter
2
ADC
1)
=2MHz
DD
0.7*V
-40°C≤ T
Other T
V
on adjacent robust ana-
log pin
, f
IN
CPU
<
V
DD
Conditions
SS,
, and T
A
A
≤ V
≤ 85°C range
ranges
| I
IN
AREF
|< 400µA
A
unless otherwise specified.
≤ V
DD
V
Min
0.4
3.8
SSA
Typ
12
7.5
5
11
4
Figure 93
Figure 94
V
±250
Max
and
V
see
AREF
±1
2
6
DD
1/f
Unit
MHz
nA
μA
μA
Hz
pF
kΩ
pF
μs
V
ADC