ST72F344K4T6 STMicroelectronics, ST72F344K4T6 Datasheet - Page 13

MCU 8BIT 16KB FLASH MEM 32-LQFP

ST72F344K4T6

Manufacturer Part Number
ST72F344K4T6
Description
MCU 8BIT 16KB FLASH MEM 32-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet

Specifications of ST72F344K4T6

Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
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
34
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST72F34X-SK/RAIS, ST7MDT40-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
For Use With
497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-5611

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ST72F344K4T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
ST72F344K4T6
Manufacturer:
ST
0
Part Number:
ST72F344K4T6TR
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
ST72F344K4T6TR
Manufacturer:
ST
0
ST72344xx ST72345xx
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Figure 99.
Input capture timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Output compare block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Output compare timing diagram, f
Output compare timing diagram, f
One-pulse mode cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
One-pulse mode timing example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Pulse width modulation mode timing example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Pulse width modulation cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Serial peripheral interface block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Single master/ single slave application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Generic SS timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Hardware/software slave select management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Data clock timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Clearing the WCOL bit (write collision flag) software sequence . . . . . . . . . . . . . . . . . . . . 123
Single master / multiple slave configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
SCI block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Word length programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
SCI baud rate and extended prescaler block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Bit sampling in reception mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
I2C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Transfer sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Event flags and interrupt generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
I2C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
16-bit word write operation flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
16-bit word read operation flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Transfer sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Page write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Current address read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Random read (dummy write + restart + current address read). . . . . . . . . . . . . . . . . . . . . 175
Random read (dummy write + stop + start + current address read) . . . . . . . . . . . . . . . . . 176
Sequential read. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Combined format for read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Event flags and interrupt generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
ADC block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Pin loading conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
f
Typical RC frequency vs. RCCR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Typical I
Typical I
Typical I
Typical I
Typical I
Typical I
Typical I
Typical application with an external clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Typical application with a crystal or ceramic resonator . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Two typical applications with unused I/O pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Typical V
I2C interface block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
I2C3S interface block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
CPU
maximum operating frequency versus V
DD
DD
DD
DD
DD
DD
DD
OL
in Run vs. f
in Run at f
in Slow vs. f
in Wait vs. f
in Wait at f
in Slow-wait vs. f
vs. temp. at V
at V
DD
= 2.4 V (std I/Os) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
CPU
CPU
CPU
CPU
CPU
DD
= 8 MHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
= 8 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
CPU
= 5 V and f
Doc ID 12321 Rev 5
TIMER
TIMER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
CPU
= f
= f
CPU
CPU
= 8 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
DD
/2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
/4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
supply voltage . . . . . . . . . . . . . . . . . . . 202
List of figures
13/247

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