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UPD70F3201 Datasheet(PDF) 34 Page - NEC

Part # UPD70F3201
Description  32-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD70F3201 Datasheet(HTML) 34 Page - NEC

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Preliminary Product Information U15436EJ1V0PM
34
µµµµPD703201, 703201Y, 703204, 703204Y, 70F3201, 70F3201Y, 70F3204, 70F3204Y
7. CLOCK GENERATION FUNCTION
The clock generation function has the following features.
Main clock oscillator
• 2 to 17 MHz (@ VDD = 2.3 to 2.7 V operation)
• 2 to 13.5 MHz (@ VDD = 2.2 to 2.7 V operation)
Subclock oscillator
• 32.768 kHz (@ VDD = 2.2 to 2.7 V operation)
Internal system clock generation
• 6 levels (fXX, fXX/2, fXX/4, fXX/8, fXX/16, fXX/32)
Peripheral clock generation
Clock output function
The following figure shows the configuration of the clock generation function.
FRC bit
MFRC bit
CK2 to CK0 bits
STOP mode
Subclock
oscillator
Port CM
WDT clock control
Prescaler 1
Prescaler 2
IDLE
control
HALT
control
HALT mode
CPU clock
A/D converter
RTC clock
Peripheral clock
WDT clock
Internal system
clock
Prescaler 3
Main clock
oscillator
Main clock
oscillator
stop control
XT1
XT2
CLKOUT
X1
X2
IDLE mode
fXX/32
fXX/16
fXX/8
fXX/4
fXX/2
fXX
fCPU
fCLK
fXX to fXX/512
fX/26 to fX/29
fXT
fXT
fX
fXX
fXW
Remark fX, fXX: Main clock frequency
fXT: Subclock frequency
fCPU: CPU clock frequency
fCLK: Internal system clock frequency
fXW: Watchdog timer clock frequency


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