ST7LITE25F2 STMicroelectronics, ST7LITE25F2 Datasheet - Page 25

• Manufacturer Part Number: ST7LITE25F2
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7LITE25F2

• 8 Kbytes Single Voltage Flash 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.
• Clock Sources: Internal 1% RC oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-Halt, Wait and Slow, Auto Wake Up From Halt

Figure 13. Clock Management Block Diagram
CLKIN
CLKIN
/OSC1
OSC2
1-16 MHZ
or 32kHz
f
CR7
OSC
OSC
OSCRANGE[2:0]
OSC,PLLOFF,
CLKIN
CLKIN
CR6
/32 DIVIDER
Option bits
CR5
1% RC
Tunable
CR4
Oscillator
CR3
OSC
DIVIDER
CR2
LITE TIMER 2 COUNTER
/2
f
f
OSC
OSC
MCO
DIVIDER
CR1
/32
/2
8-BIT
SMS
f
1
CPU
0
CR0
MCCSR
PLL 1MHz -> 8MHz
PLL 1MHz -> 4MHz
CLKIN/2
RCCR
8MHz -> 32MHz
PLL
(1ms timebase @ 8 MHz f
f
LTIMER
RC OSC
PLLx4x8
CLKIN/2
OSC/2
f
OSCRANGE[2:0]
CPU
OSC,PLLOFF,
Option bits
AT TIMER 2
TO CPU AND
PERIPHERALS
12-BIT
f
CPU
f
OSC
OSC
ST7LITE2
)
25/133
MCO
1