ST72C254G2M6 STMicroelectronics, ST72C254G2M6 Datasheet - Page 8
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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
ST72104G, ST72215G, ST72216G, ST72254G
PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to
96.
Legend / Abbreviations for
Type:
Input level:
In/Output level: C = CMOS 0.3V
Output level:
Port and control configuration:
Refer to
ports.
The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is
in reset state.
Table 1. Device Pin Description
8/140
6
Pin n°
10 8 PB3/OCMP2_A
11 9 PB2/ICAP2_A
12 10 PB1 /OCMP1_A
13 11 PB0 /ICAP1_A
14 12 PC5/EXTCLK_A/AIN5 I/O
15 13 PC4/OCMP2_B/AIN4
16 14 PC3/ ICAP2_B/AIN3
– Input:
– Output:
1
2
3
4
5
6
7
8
9
1 RESET
2 OSC1
3 OSC2
4 PB7/SS
5 PB6/SCK/ISPCLK
6 PB5/MISO/ISPDATA
7 PB4/MOSI
NC
NC
Section 10 "I/O PORTS" on page 30
Pin Name
3)
3)
I = input, O = output, S = supply
A = Dedicated analog input
C
HS = 20mA high sink (on N-buffer only)
float = floating, wpu = weak pull-up, int = interrupt
OD = open drain
T
= CMOS 0.3V
I/O C
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Table
O
I
DD
DD
2)
Level
T
1:
, PP = push-pull
/0.7V
C
C
C
C
C
C
C
C
C
C
C
/0.7V
T
T
T
T
T
T
T
T
T
T
T
DD
DD
X
X
X
X
X
X
X
X
X ei0/ei1
X ei0/ei1
X ei0/ei1 X
,
with input trigger
Port / Control
Input
X
Section 14 "ELECTRICAL CHARACTERISTICS" on page
ei1
ei1
ei1
ei1
ei1
ei1
ei1
ei1
for more details on the software configuration of the I/O
Output
X
X
X
X
X
X
X
X
X
X
X
X
Not Connected
X
X
X
X
X
X
X
X
X
X
X
Top priority non maskable interrupt (active low)
External clock input or Resonator oscillator in-
verter input or resistor input for RC oscillator
Resonator oscillator inverter output or capaci-
tor input for RC oscillator
Port B7
Port B6
Port B5
Port B4
Port B3
Port B2
Port B1
Port B0
Port C5
Port C4
Port C3
(after reset)
Function
1)
Main
, ana = analog
SPI Slave Select (active low)
SPI Serial Clock or ISP Clock
SPI Master In/ Slave Out Data
or ISP Data
SPI Master Out / Slave In Data
Timer A Output Compare 2
Timer A Input Capture 2
Timer A Output Compare 1
Timer A Input Capture 1
Timer A Input Clock or ADC
Analog Input 5
Timer B Output Compare 2 or
ADC Analog Input 4
Timer B Input Capture 2 or
ADC Analog Input 3
Alternate Function