STR712FR2T6 STMicroelectronics, STR712FR2T6 Datasheet - Page 62
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STR712FR2T6
Manufacturer Part Number
STR712FR2T6
Description
IC MCU ARM7 TDMI 256K 64-LQFP
Manufacturer
STMicroelectronics
Series
STR7r
Datasheet
1.RLINK-ST.pdf
(78 pages)
Specifications of STR712FR2T6
Core Processor
ARM7
Core Size
32-Bit
Speed
66MHz
Connectivity
CAN, EBI/EMI, HDLC, I²C, SmartCard, SPI, UART/USART
Peripherals
PWM, WDT
Number Of I /o
32
Program Memory Size
256KB (256K x 8 + 16K)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 4x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Processor Series
STR712x
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
CAN/EMI/USB
Maximum Clock Frequency
66 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWARM, EWARM-BL, MCBSTR7, KSK-STR712-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
STR710-SK/HIT, STR71X-SK/RAIS, STX-PRO/RAIS, STX-RLINK, STR79-RVDK/CPP, STR79-RVDK, STR79-RVDK/UPG
Minimum Operating Temperature
- 40 C
On-chip Adc
4-ch x 12-bit
Cpu Family
STR7
Device Core
ARM7TDMI
Device Core Size
32b
Frequency (max)
66MHz
Total Internal Ram Size
64KB
# I/os (max)
32
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
TQFP
For Use With
MCBSTR7UME - MCBSTR7 + ULINK-ME DEV KITMCBSTR7 - BOARD EVAL STM STR71X SERIES497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU497-4886 - KIT STARTER FOR STR712F ARM MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-4515
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STR712FR2T6
Manufacturer:
STMicroelectronics
Quantity:
1 882
Company:
Part Number:
STR712FR2T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
STR712FR2T6
Manufacturer:
ST
Quantity:
20 000
Electrical parameters
62/78
Figure 33. Typical application with I
Table 37.
Legend:
R
f
NA = Not achievable
Note:
SCL
P
= External pull-up resistance
= I
2
C speed
SDA
SCL
For speeds around 200 kHz, achieved speed can have
For other speed ranges, achieved speed can have
The above variations depend on the accuracy of the external components used.
I
2
t
C BUS
f(SDA)
SCL Frequency Table (
t
h(STA)
START
(kHz)
f
400
300
200
100
SCL
50
20
4.7kΩ
t
w(SCKH)
t
r(SDA)
V
DD
t
w(SCKL)
4.7kΩ
V
DD
t
su(SDA)
f
PCLK1
t
r(SCK)
100Ω
100Ω
2
C bus and timing diagram
=8 MHz.,V
t
h(SDA)
t
f(SCK)
SDA
SCL
STR7
33
= 3.3 V)
±
I2CCCR Value
2% tolerance
R
±
P
=4.7kΩ
4Ch
C4h
8Ah
85h
24h
5% tolerance
t
su(STA)
83
t
su(STO)
t
w(STO:STA)
STOP
REPEATED START
STR71xF
START