ST72F321R6T6 STMicroelectronics, ST72F321R6T6 Datasheet - Page 127

• Manufacturer Part Number: ST72F321R6T6
• Description: MCU 8BIT 32KB FLASH 64TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F321R6T6

• 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: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K 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-TQFP, 64-VQFP
• Processor Series: ST72F3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: I2C, SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 5
• Operating Supply Voltage: 3.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7F521-IND/USB, ST7232X-EVAL, ST7MDT20-DVP3, ST7MDT20M-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Height: 1.4 mm
• Length: 14 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3.8 V
• Width: 14 mm
• For Use With: 497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: In Transition
• Other names: 497-4845

I²C BUS INTERFACE (Cont’d)
Table 24. I
Address
001Ah
001Bh
001Ch
001Dh
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
6
0
0
0
0
0
1
0
ADD5
CC5
TRA
PE
5
0
0
0
0
0
0
0
ENGC
BUSY
ADD4
CC4
AF
4
0
0
0
0
0
0
0
ST72321Rx ST72321ARx ST72321Jx
STOPF
START
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
BERR
STOP
ADD1
ADD8
M/SL
CC1
1
0
0
0
0
0
0
0
GCAL
ADD0
CC0
127/193
LSB
ITE
SB
0
0
0
0
0
0
0
0