ST72C254G2M6 STMicroelectronics, ST72C254G2M6 Datasheet - Page 11
![IC MCU 8BIT 8K FLASH SOIC-28](/photos/6/56/65690/stmicroelectronics-28-soic_sml.jpg)
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
Table 2. Hardware Register Map
Address
002Ch
002Dh
000Ah
000Bh
001Fh
002Ah
002Bh
002Eh
002Fh
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
0020h
0021h
0022h
0023h
0024h
0028h
0029h
0030h
0025h
0026h
0027h
to
to
WATCHDOG
Port C
Block
Port B
Port A
SPI
I
2
C
PCDR
PCDDR
PCOR
PBDR
PBDDR
PBOR
PADR
PADDR
PAOR
MISCR1
SPIDR
SPICR
SPISR
WDGCR
CRSR
I2CCR
I2CSR1
I2CSR2
I2CCCR
I2COAR1
I2COAR2
I2CDR
Register
Label
Port C Data Register
Port C Data Direction Register
Port C Option Register
Port B Data Register
Port B Data Direction Register
Port B Option Register
Port A Data Register
Port A Data Direction Register
Port A Option Register
Miscellaneous Register 1
SPI Data I/O Register
SPI Control Register
SPI Status Register
Watchdog Control Register
Clock, Reset, Supply Control / Status Register 000x 000x R/W
Control Register
Status Register 1
Status Register 2
Clock Control Register
Own Address Register 1
Own Address Register 2
Data Register
ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx
Reserved (21 Bytes)
Reserved (2 Bytes)
Reserved (1 Byte)
Reserved (1 Byte)
Reserved (2 bytes)
Register Name
Status
Reset
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
7Fh
00h
00h
00h
00h
00h
00h
00h
xxh
0xh
1)
1)
1)
R/W
R/W
R/W
R/W
R/W
R/W.
R/W
R/W
R/W
R/W
R/W
R/W
Read Only
R/W
R/W
Read Only
Read Only
R/W
R/W
R/W
R/W
Remarks
2)
2)
2)
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