ST72F321BAR7T6 STMicroelectronics, ST72F321BAR7T6 Datasheet - Page 127
![IC MCU 8BIT 48KB FLASH 64-LQFP](/photos/12/15/121504/stmicroelectronics-64-lqfp_sml.jpg)
ST72F321BAR7T6
Manufacturer Part Number
ST72F321BAR7T6
Description
IC MCU 8BIT 48KB FLASH 64-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F321BK6T6.pdf
(187 pages)
Specifications of ST72F321BAR7T6
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
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
1.5K 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
1.5 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F321BAR7T6
Manufacturer:
ST
Quantity:
1 600
Company:
Part Number:
ST72F321BAR7T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
ST72F321BAR7T6
Manufacturer:
ST
Quantity:
20 000
I²C BUS INTERFACE (Cont’d)
Table 24. I
Address
001Ch
001Dh
001Ah
001Bh
001Eh
(Hex.)
0018h
0019h
2
I2CCR
Reset Value
I2CSR1
Reset Value
I2CSR2
Reset Value
I2CCCR
Reset Value
I2COAR1
Reset Value
I2COAR2
Reset Value
I2CDR
Reset Value
C Register Map and Reset Values
Register
Label
FM/SM
ADD7
MSB
EVF
FR1
7
0
0
0
0
0
0
0
ADD10
ADD6
CC6
FR0
ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
6
0
0
0
0
0
1
0
ADD5
TRA
CC5
PE
5
0
0
0
0
0
0
0
ENGC
BUSY
ADD4
CC4
AF
4
0
0
0
0
0
0
0
START
STOPF
ADD3
CC3
BTF
3
0
0
0
0
0
0
0
ARLO
ADD2
ADD9
ADSL
ACK
CC2
2
0
0
0
0
0
0
0
STOP
BERR
ADD1
ADD8
M/SL
CC1
1
0
0
0
0
0
0
0
GCAL
ADD0
CC0
127/187
LSB
ITE
SB
0
0
0
0
0
0
0
0