ST7FLITE35F2B6 STMicroelectronics, ST7FLITE35F2B6 Datasheet - Page 61
ST7FLITE35F2B6
Manufacturer Part Number
ST7FLITE35F2B6
Description
IC MCU 8BIT 8K FLASH 20DIP
Manufacturer
STMicroelectronics
Series
ST7r
Specifications of ST7FLITE35F2B6
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
LINSCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Processor Series
ST7FLITE3x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
LINSCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
15
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Development Tools By Supplier
ST7FLITE-SK/RAIS, ST7MDT10-DVP3, ST7MDT10-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 7 Channel
For Use With
497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5085 - EVAL BOARD UNIV MOTOR CONTROL497-5049 - KIT STARTER RAISONANCE ST7FLITE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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DUAL 12-BIT AUTORELOAD TIMER 3 (Cont’d)
Break Function
The break function can be used to perform an
emergency shutdown of the application being driv-
en by the PWM signals.
The break function is activated by the external
BREAK pin (active low). In order to use the
BREAK pin it must be previously enabled by soft-
ware setting the BPEN bit in the BREAKCR regis-
ter.
When a low level is detected on the BREAK pin,
the BA bit is set and the break function is activat-
ed. In this case, the 4 PWM signals are stopped.
Software can set the BA bit to activate the break
function without using the BREAK pin.
When the break function is activated (BA bit =1):
Figure 40. Block Diagram of Break Function
BREAK pin
Note:
The BREAK pin value is latched by the BA bit.
(Active Low)
BA
PWM3
PWM2
PWM0
PWM1
BPEN
PWM3
BREAKCR Register
PWM2
(Inverters)
PWM1
– The break pattern (PWM[3:0] bits in the BREAK-
– The 12-bit PWM counter CNTR1 is put to its re-
– The 12-bit PWM counter CNTR2 is put to its re-
– ATR1, ATR2, Preload and Active DCRx are put
– The PWMCR register is reset.
– Counters stop counting.
When the break function is deactivated after ap-
plying the break (BA bit goes from 1 to 0 by soft-
ware):
– The control of the 4 PWM outputs is transferred
CR) is forced directly on the PWMx output pins
(after the inverter).
set value, i.e. 00h.
set value,i.e. 00h.
to their reset values.
to the port registers.
PWM0
1
0
When BA is set:
PWM counter -> Reset value
ATRx & DCRx -> Reset value
PWM Mode -> Reset value
ST7LITE3xF2
PWM0
PWM1
PWM2
PWM3
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