ST7FLITE39F2M3TR STMicroelectronics, ST7FLITE39F2M3TR Datasheet - Page 162

• Manufacturer Part Number: ST7FLITE39F2M3TR
• Description: IC MCU 8BIT 8K FLASH 20SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE39F2M3TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• 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 ~ 125°C
• Package / Case: 20-SOIC (7.5mm Width)
• For Use With: 497-8406 - BOARD STF20NM50FD/STF7LITE39BF2497-8403 - BOARD DEMO STCC08 AC SW DETECTOR497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5049 - KIT STARTER RAISONANCE ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ST7LITE3xF2
OPTION BYTES (Cont’d)
OPTION BYTE 1
OPT 7 = PLLx4x8 PLL Factor Selection.
0: PLLx4
1: PLLx8
OPT 6 = PLLOFF PLL Disable
This option bit enables or disables the PLL.
0: PLL enabled
1: PLL disabled (bypassed)
OPT 5 = Reserved. Must always be set to 1.
OPT 4 = OSC RC Oscillator Selection
This option bit enables to select the internal RC
Oscillator.
0: RC Oscillator on
1: RC Oscillator off
Notes:
– RC oscillator available on ST7LITE35 and
– If the RC oscillator is selected, then to improve
162/173
Default
Value
ST7LITE39 devices only
clock stability and frequency accuracy, it is rec-
ommended to place a decoupling capacitor, typ-
ically 100nF, between the V
close as possible to the ST7 device.
AWU
CK
1
7
1
OSCRANGE
2:0
1
OPTION BYTE 0
1
DD
SEC1 SEC0 FMPR FMPW
and V
1
SS
1
pins as
0
0
0
OPT 3:2 = LVD[1:0] Low Voltage Selection
These option bits enable the voltage detection
block (LVD and AVD) with a selected threshold to
the LVD and AVD.
OPT 1 = WDGSW Hardware or Software Watch-
dog
0: Hardware (watchdog always enabled)
1: Software (watchdog to be enabled by software)
OPT 0 = WDG HALT Watchdog Reset on Halt
0: No reset generation when entering HALT mode
1: Reset generation when entering HALT mode
LVD Off
Highest Voltage Threshold
Medium Voltage Threshold
Lowest Voltage Threshold
x4x8
PLL
1
7
OFF
PLL
1
Configuration
Res. OSC
1
OPTION BYTE 1
0
1
LVD
1:0
1
WDG
VD1
SW
1
1
0
0
1
HALT
WDG
VD0
0
1
0
1
0
1