ST7FLITE39F2U6 STMicroelectronics, ST7FLITE39F2U6 Datasheet - Page 83
ST7FLITE39F2U6
Manufacturer Part Number
ST7FLITE39F2U6
Description
IC MCU 8BIT 8K FLASH 20QFN
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FLITE35F2M6TR.pdf
(173 pages)
Specifications of ST7FLITE39F2U6
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 ~ 85°C
Package / Case
20-QFN
For Use With
497-8406 - BOARD STF20NM50FD/STF7LITE39BF2497-8403 - BOARD DEMO STCC08 AC SW DETECTOR497-6398 - BOARD EVAL ST7FLITE39/STM1403497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5514 - EVAL BOARD THERMO CONTROL REFRIG497-5049 - KIT STARTER RAISONANCE ST7FLITE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-5635
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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SERIAL PERIPHERAL INTERFACE (cont’d)
11.4.4 Clock Phase and Clock Polarity
Four possible timing relationships may be chosen
by software, using the CPOL and CPHA bits (See
Figure
Note: The idle state of SCK must correspond to
the polarity selected in the SPICSR register (by
pulling up SCK if CPOL = 1 or pulling down SCK if
CPOL = 0).
The combination of the CPOL clock polarity and
CPHA (clock phase) bits selects the data capture
clock edge.
Figure 52. Data Clock Timing Diagram
52).
(from slave)
(from slave)
(to slave)
(to slave)
(from master)
(from master)
MISO
MOSI
CAPTURE STROBE
SCK
(CPOL = 0)
MISO
MOSI
CAPTURE STROBE
SCK
(CPOL = 1)
SCK
(CPOL = 0)
SCK
(CPOL = 1)
SS
SS
Note: This figure should not be used as a replacement for parametric information.
Refer to the Electrical Characteristics chapter.
MSBit
MSBit
MSBit
MSBit
Bit 6
Bit 6
Bit 6
Bit 6
Bit 5
Bit 5
Bit 5
Bit 5
CPHA = 0
CPHA = 1
Bit 4
Bit 4
Bit 4
Bit 4
Figure 52
binations of the CPHA and CPOL bits. The dia-
gram may be interpreted as a master or slave tim-
ing diagram where the SCK pin, the MISO pin and
the MOSI pin are directly connected between the
master and the slave device.
Note: If CPOL is changed at the communication
byte boundaries, the SPI must be disabled by re-
setting the SPE bit.
Bit3
Bit3
Bit3
Bit3
shows an SPI transfer with the four com-
Bit 2
Bit 2
Bit 2
Bit 2
Bit 1
Bit 1
Bit 1
Bit 1
LSBit
LSBit
LSBit
LSBit
ST7LITE3xF2
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