ST72C254G2M6 STMicroelectronics, ST72C254G2M6 Datasheet - Page 128
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ST72C254G2M6
Manufacturer Part Number
ST72C254G2M6
Description
IC MCU 8BIT 8K FLASH SOIC-28
Manufacturer
STMicroelectronics
Series
ST7r
Datasheets
1.INDART-ST72C254.pdf
(3 pages)
2.ST72C104G1M6.pdf
(141 pages)
3.ST72C215G2M6.pdf
(140 pages)
Specifications of ST72C254G2M6
Core Processor
ST7
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
3.2 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Controller Family/series
ST7
No. Of I/o's
22
Ram Memory Size
256Byte
Cpu Speed
8MHz
No. Of Timers
2
Rohs Compliant
Yes
Processor Series
ST72C2x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
I2C, SPI
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
3 bit
Operating Supply Voltage
3.2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7MDT1-DVP2/US
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
In Transition
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ST72C254G2M6
Manufacturer:
ST
Quantity:
20 000
ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx
13.12 8-BIT ADC CHARACTERISTICS
Subject to general operating conditions for V
Figure 95. Typical Application with ADC
Notes:
1. Unless otherwise specified, typical data are based on T
lines and are not tested.
2. When V
3. 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.
4. The stabilization time of the AD converter is masked by the first t
always valid.
128/141
Symbol
C
t
R
f
V
t
STAB
ADC
ADC
ADC
AIN
AIN
DDA
ADC clock frequency
Conversion range voltage
External input resistor
Internal sample and hold capacitor
Stabilization time after ADC enable
Conversion time (Sample+Hold)
- Sample capacitor loading time
- Hold conversion time
V
V
and V
AIN
DD
SSA
Parameter
0.1
pins are not available on the pinout, the ADC refer to V
R
AIN
µ
F
2)
AINx
V
V
DDA
SSA
f
CPU
C
~2pF
DD
IO
=8MHz, f
, f
OSC
Conditions
A
=25°C and V
V
, and T
DD
ADC
V
0.6V
V
0.6V
T
T
=4MHz
A
LOAD
DD
unless otherwise specified.
-V
. The first conversion after the enable is then
SS
=5V. They are given only as design guide-
I
±1µA
L
V
Min
DD
SSA
and V
SS
Typ
0
.
6
3
4
8
ADC
4)
1)
V
10
Max
DDA
4
3)
ST72XXX
1/f
Unit
MHz
kΩ
pF
µs
V
ADC