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ST7L19 Datasheet(PDF) 23 Page - STMicroelectronics

Part # ST7L19
Description  8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI
PDF  138 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7L19 Datasheet(HTML) 23 Page - STMicroelectronics

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ST7L15, ST7L19
23/138
SUPPLY, RESET AND CLOCK MANAGEMENT (cont’d)
Figure 12. 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
CLKIN
OSC2
CLKIN
Tunable
Oscillator
1% RC
PLL 1 MHz -> 8 MHz
PLL 1 MHz -> 4 MHz
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]
CR1
CR0
SICSR
plldiv2
/2
PLLTST
PLLDIV2
0
7
0
7
0
7
1



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