ST7LITE25F2 STMicroelectronics, ST7LITE25F2 Datasheet - Page 98

• 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

ST7LITE2
OPERATING CONDITIONS (Cont’d)
Figure 57. PLL ∆f
Figure 58. PLLx4 Output vs CLKIN frequency
Note: f
13.3.4.3 32MHz PLL
T
Note 1: 32 MHz is guaranteed within this voltage range.
98/133
1
V
f
f
A
PLL32
INPUT
DD
= -40 to 85°C, unless otherwise specified
7.00
6.00
5.00
4.00
3.00
2.00
1.00
OSC
Symbol
= f
1
CLKIN
Max
Min
External Input Clock Frequency (MHz)
∆f
0
CPU
/2*PLL4
CPU
1.5
/f
CPU
/f
CPU
Voltage
Frequency
Input Frequency
versus time
2
1)
2.5
1)
Parameter
3
3.3
3
2.7
t
w(JIT)
Figure 59. PLLx8 Output vs CLKIN frequency
Note: f
11.00
9.00
7.00
5.00
3.00
1.00
OSC
Min
4.5
7
= f
0.85
CLKIN
External Input Clock Frequency (MHz)
t
/2*PLL8
w(JIT)
Typ
0.9
32
5
8
1
Max
5.5
1.5
9
t
2
MHz
MHz
Unit
V
2.5
5.5
5
4.5
4