ATSAM4LS4BA-AU 查看數據表（PDF） - Atmel Corporation
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ATSAM4LS4BA-AU Datasheet PDF : 176 Pages
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ATSAM4L8/L4/L2
9.4 Maximum Clock Frequencies
Table 9-4. Maximum Clock Frequencies in Power Scaling Mode 0/2 and RUN Mode
Symbol Parameter
Description
Max
Units
fCPU
CPU clock frequency
48
fPBA
PBA clock frequency
48
fPBB
PBB clock frequency
48
fPBC
PBC clock frequency
48
fPBD
PBD clock frequency
48
fGCLK0
GCLK0 clock frequency DFLLIF main reference, GCLK0 pin
50
fGCLK1
GCLK1 clock frequency
DFLLIF dithering and SSG reference,
GCLK1 pin
50
fGCLK2
fGCLK3
fGCLK4
fGCLK5
fGCLK6
fGCLK7
fGCLK8
fGCLK9
fGCLK10
GCLK2 clock frequency
GCLK3 clock frequency
GCLK4 clock frequency
GCLK5 clock frequency
GCLK6 clock frequency
GCLK7 clock frequency
GCLK8 clock frequency
GCLK9 clock frequency
GCLK10 clock
frequency
AST, GCLK2 pin
CATB, GCLK3 pin
FLO and AESA
GLOC, TC0 and RC32KIFB_REF
ABDACB and IISC
USBC
TC1 and PEVC[0]
PLL0 and PEVC[1]
ADCIFE
20
50
50
80
50
MHz
50
50
50
50
fGCLK11
GCLK11 clock
frequency
Master generic clock. Can be used as
source for other generic clocks
150
Oscillator 0 in crystal mode
30
fOSC0
OSC0 output frequency
Oscillator 0 in digital clock mode
50
fPLL
PLL output frequency Phase Locked Loop
240
fDFLL
DFLL output frequency Digital Frequency Locked Loop
220
fRC80M
RC80M output
frequency
Internal 80MHz RC Oscillator
80
42023GS–SAM–03/2014
101
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