ST7FLITE09M6TR STMicroelectronics, ST7FLITE09M6TR Datasheet - Page 53

• Manufacturer Part Number: ST7FLITE09M6TR
• Description: IC MCU 8BIT FLASH 16SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE09M6TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI
• Peripherals: PWM, WDT
• Number Of I /o: 13
• Program Memory Size: 1.5KB (1.5K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Data Converters: A/D 5x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC
• Processor Series: ST7FLITE0x
• Core: ST7
• Data Bus Width: 8 bit
• Development Tools By Supplier: ST7FLIT0-IND/USB, ST7FLITE-SK/RAIS, ST7MDT10-DVP3, ST7MDT10-EMU3, STX-RLINK
• For Use With: 497-5858 - EVAL BOARD PLAYBACK ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11.2 12-BIT AUTORELOAD TIMER (AT)
11.2.1 Introduction
The 12-bit Autoreload Timer can be used for gen-
eral-purpose timing functions. It is based on a free-
running 12-bit upcounter with a PWM output chan-
nel.
11.2.2 Main Features
■
■
Figure 34. Block Diagram
12-BIT DUTY CYCLE VALUE (shadow)
Preload
DCR0H
12-bit upcounter with 12-bit autoreload register
(ATR)
Maskable overflow interrupt
f
(1 ms timebase
@ 8MHz)
LTIMER
f
CPU
Preload
DCR0L
on OVF Event
IF OE0=1
0
7
ATCSR
0
0
f
COUNTER
CK1
OE0 bit
1
0
CNTR
ATR
CK0
CMPF0 bit
COMP-
PARE
12-BIT AUTORELOAD VALUE
OVF
■
■
■
12-BIT UPCOUNTER
– Programmable duty-cycle
– Polarity control
– Maskable Compare interrupt
PWM signal generator
Frequency range 2KHz-4MHz (@ 8 MHz f
Output Compare Function
OVFIE
CMPIE
CMPF0
0
ST7LITE0xY0, ST7LITESxY0
Update on OVF Event
OVF INTERRUPT
REQUEST
f
PWM
OP0 bit
POL-
ARITY
OE0 bit
CMP INTERRUPT
REQUEST
PWM0
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CPU
)
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