ST7LIT10BF1 STMicroelectronics, ST7LIT10BF1 Datasheet - Page 26

• Manufacturer Part Number: ST7LIT10BF1
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7LIT10BF1

• 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

ST7LITE1xB
Figure 14. Clock Management Block Diagram
26/159
1
/OSC1
CLKIN
OSC2
CLKIN
Note: The PLL cannot be used with the external resonator oscillator
f
OSC
1-16 MHZ
CR9
OSC
7
OSC,PLLOFF,
CLKIN
CLKIN
CR8
CLKSEL[1:0]
/32 DIVIDER
Option bits
CR7
1% RC
Tunable
lock32 CR1
CR6
7
Oscillator
DIVIDER
CR5
/2
OSC
CR4
CR0
LITE TIMER 2 COUNTER
f
f
OSC
OSC
MCO
DIVIDER
CR3
/32
/2
PLLDIV2
PLL 1MHz -> 8MHz
PLL 1MHz -> 4MHz
CLKIN/2
8-BIT
SMS
7
f
1
CPU
0
CR2
0
MCCSR
RCCR
8MHz -> 32MHz
PLL
(1ms timebase @ 8 MHz f
0
plldiv2
f
LTIMER
/2
SICSR
RC OSC
CLKIN/2
OSC/2
f
CPU
ck_pllx4x8
OSC,PLLOFF,
AT TIMER 2
CLKSEL[1:0]
TO CPU AND
PERIPHERALS
Option bits
12-BIT
PLLTST
f
0
CPU
OSC
f
OSC
)
MCO