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STR720 датащи(PDF) 380 Page - STMicroelectronics

номер детали STR720
подробное описание детали  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 датащи(HTML) 380 Page - STMicroelectronics

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STR720 - ELECTRICAL CHARACTERISTICS
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28.7 Clock and Timing Characteristics
28.7.1
Internal clock characteristics
Application software controls STR720 internal clocks by configuring RCCU registers and
setting PLL related parameters (see Chapter 13: RESET AND CLOCK CONTROL UNIT
(RCCU) on page 138). The values hereafter reported defines the limit for internal frequencies
that must be respected by clock configuration.
Figure 74. Supply current versus system frequency
Table 93. Internal clock limits
Symbol
Parameter
Conditions
Value
Unit
Min
Typ
Max
fCPU
CPU, AHB and
S-APB clock
frequency
-50
70
MHz
fAPB
A-APB clock
frequency
fCPU / 16
-
fCPU / 2
MHz
fSYS [MHz]
10
20
75
50
25
40
30
50
60
70
0
0
IDD(25°C)



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