ST7LIT15BF0 STMicroelectronics, ST7LIT15BF0 Datasheet - Page 85

• Manufacturer Part Number: ST7LIT15BF0
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7LIT15BF0

• Up To 4 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection, In-circuit Programming And In-application Programming (icp And Iap). 10k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55˚C.
• 128 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55˚C.
• Clock Sources: Internal 1% RC oscillator (on ST7FLITE15B and ST7FLITE19B), crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-Halt, Auto Wake-up from Halt, Wait and Slow

SERIAL PERIPHERAL INTERFACE (SPI) (cont’d)
Figure 53. Serial Peripheral Interface Block Diagram
MOSI
MISO
SCK
SS
SOD
bit
SPIDR
8-bit Shift Register
Read Buffer
SERIAL CLOCK
GENERATOR
CONTROL
MASTER
Data/Address Bus
Read
Write
7
SPIE
SPIF WCOL
7
SPE
CONTROL
SPR2
OVR
STATE
SPI
Interrupt
request
MODF
MSTR
CPOL
0
CPHA
SOD
SS
SPICR
ST7LITE1xB
SPICSR
SSM
SPR1
0
1
SPR0
SSI
0
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0
1