ST7FLITE20F2B6 STMicroelectronics, ST7FLITE20F2B6 Datasheet - Page 122

• Manufacturer Part Number: ST7FLITE20F2B6
• Description: IC MCU 8BIT 8K FLASH 20DIP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE20F2B6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: 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): 2.4 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: ST7FLITE2x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 384 B
• Interface Type: SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 4 bit
• Operating Supply Voltage: 2.4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Development Tools By Supplier: ST7FLIT2-COS/COM, ST7FLITE-SK/RAIS, ST7MDT10-DVP3, ST7MDT10-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13 bit
• For Use With: 497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5517 - EVAL BOARD 1PHASE ENERGY METER497-5049 - KIT STARTER RAISONANCE ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: In Transition
• Other names: 497-4856

ST7LITE2
15 DEVICE CONFIGURATION
Each device is available for production in user pro-
grammable versions (FLASH) as well as in factory
coded versions (FASTROM).
ST7FLITE2
ST7PLITE2 devices are Factory Advanced Serv-
ice Technique ROM (FASTROM) versions: they
are factory programmed FLASH devices.
ST7FLITE2 devices are shipped to customers with
a default program memory content (FFh), while
FASTROM factory coded parts contain the code
supplied by the customer. This implies that FLASH
devices have to be configured by the customer us-
ing the Option Bytes while the FASTROM devices
are factory configured.
15.1 OPTION BYTES
The two option bytes allow the hardware configu-
ration of the microcontroller to be selected.
The option bytes can be accessed only in pro-
gramming mode (for example using a standard
ST7 programming tool).
OPTION BYTE 0
OPT7 = Reserved, must always be 1.
OPT6:4 = OSCRANGE[2:0] Oscillator range
When the internal RC oscillator is not selected
(Option OSC=1), these option bits select the range
of the resonator oscillator current source or the ex-
ternal clock source.
122/133
Default
Typ.
frequency
range with
Resonator
Value
Res.
7
1
LP
MP
MS
HS
VLP 32.768kHz
devices
1
OSCRANGE
8~16MHz
1~2MHz
2~4MHz
4~8MHz
2:0
1
OPTION BYTE 0
are
1
FLASH
SEC1 SEC0
2
0
0
0
0
1
1
OSCRANGE
1
0
0
1
1
0
1
versions.
FMP
R
0
0
0
1
0
1
0
FMP
W
0
0
Note: When the internal RC oscillator is selected,
the OSCRANGE option bits must be kept at their
default value in order to select the 256 clock cycle
delay (see
OPT3:2 = SEC[1:0] Sector 0 size definition
These option bits indicate the size of sector 0 ac-
cording to the following table.
OPT1 = FMP_R Read-out protection
Readout protection, when selected provides a pro-
tection against program memory content extrac-
tion and against write access to Flash memory.
Erasing the option bytes when the FMP_R option
is selected will cause the whole memory to be
erased first and the device can be reprogrammed.
Refer to the ST7 Flash Programming Reference
Manual and
tails
0: Read-out protection off
1: Read-out protection on
OPT0 = FMP_W FLASH write protection
This option indicates if the FLASH program mem-
ory is write protected.
Warning: When this option is selected, the pro-
gram memory (and the option bit itself) can never
be erased or programmed again.
0: Write protection off
1: Write protection on
External
Clock source:
CLKIN
Sector 0 Size
x4x8
PLL
1
7
0.5k
1k
2k
4k
OFF
PLL
1
Reserved
Section
section 4.5 on page 14
PLL32
on OSC1
on PB4
OFF
1
OPTION BYTE 1
7.5).
SEC1
OSC LVD1 LVD0
0
0
1
1
0
1
2
1
1
1
OSCRANGE
1
for more de-
SEC0
WDG
1
0
1
1
SW
1
0
1
0
1
HALT
WDG
0
0
1
1
0
1