ST72C254G2M6 STMicroelectronics, ST72C254G2M6 Datasheet - Page 102

• Manufacturer Part Number: ST72C254G2M6
• Description: IC MCU 8BIT 8K FLASH SOIC-28
• Manufacturer: STMicroelectronics
• Series: ST7r

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

ST72104G, ST72215G, ST72216G, ST72254G
14.4 SUPPLY CURRENT CHARACTERISTICS
The following current consumption specified for
the ST7 functional operating modes over tempera-
ture range does not take into account the clock
source current consumption. To get the total de-
14.4.1 RUN and SLOW Modes
Figure 59. Typical I
Notes:
1. Typical data are based on TA=25°C, V
2. Data based on characterization results, tested in production at V
3. CPU running with memory access, all I/O pins in input mode with a static value at V
in reset state; clock input (OSC1) driven by external square wave, CSS and LVD disabled.
4. SLOW mode selected with f
V
102/140
Symbol
SS
Symbol
I
IDD [mA]
4
7
6
5
3
2
0
1
DD
I
DD( Ta)
(no load), all peripherals in reset state; clock input (OSC1) driven by external square wave, CSS and LVD disabled.
3.2
Supply current in RUN mode
(see
Supply current in SLOW mode
(see
Supply current in RUN mode
(see
Supply current in SLOW mode
(see
8MHz
4MHz
Supply current variation vs. temperature
Figure
Figure
Figure
Figure
3.5
59)
60)
59)
60)
DD
Parameter
4
VDD [V]
2MHz
500kHz
in RUN vs. f
CPU
Parameter
4.5
based on f
3)
3)
DD
4)
4)
CPU
5
=5V (4.5V V
OSC
divided by 32. All I/O pins in input mode with a static value at V
5.5
DD
f
f
f
f
f
f
f
f
f
f
f
f
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
Constant V
5.5V range) and VDD=3.4V (3.2V V
vice consumption, the two current values must be
added (except for HALT mode for which the clock
is stopped).
Figure 60. Typical I
=1MHz, f
=4MHz, f
=16MHz, f
=1MHz, f
=4MHz, f
=16MHz, f
=1MHz, f
=4MHz, f
=16MHz, f
=1MHz, f
=4MHz, f
=16MHz, f
IDD [mA]
0.4
Conditions
0.8
0.7
0.6
0.5
0.3
0.2
0.1
DD
0
max. and f
3.2
DD
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
Conditions
and f
=500kHz
=2MHz
=31.25kHz
=125kHz
=500kHz
=2MHz
=31.25kHz
=125kHz
=8MHz
=500kHz
=8MHz
=500kHz
3.5
CPU
CPU
500kHz
250kHz
max.
DD
DD
or V
in SLOW vs. f
4
VDD [V]
SS
Typ
1500
5600
3600
500
150
250
670
970
170
420
300
100
(no load), all peripherals
4.5
DD
1)
125kHz
31.25kHz
3.6V range).
Max
2500
9000
1250
1350
4500
Max
900
450
550
550
300
700
250
10
CPU
5
2)
Unit
Unit
5.5
%
DD
A
or