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ST7LITE1XB 数据表(PDF) 26 Page - STMicroelectronics

部件名 ST7LITE1XB
功能描述  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI
PDF  157 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7LITE1XB 数据表(HTML) 26 Page - STMicroelectronics

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



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