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ST72324BJ2 Datasheet(PDF) 174 Page - STMicroelectronics

No. de pieza ST72324BJ2
Descripción Electrónicos  8-bit MCU, 3.8 to 5.5 V operating range with 8 to 32 Kbyte Flash/ROM, 10-bit ADC, 4 timers, SPI, SCI
PDF  188 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72324BJ2 Datasheet(HTML) 174 Page - STMicroelectronics

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Device configuration and ordering information
ST72324B
174/188
OPT3:1 OSCRANGE[2:0]
Oscillator range
When the resonator oscillator type is selected, these option bits select
the resonator oscillator current source corresponding to the frequency
range of the used resonator. When the external clock source is
selected, these bits are set to medium power (2 ~ 4 MHz)
.
000: Typ. frequency range (LP) = 1 ~ 2 MHz
001: Typ. frequency range (MP) = 2 ~ 4 MHz
010: Typ. frequency range (MS) = 4 ~ 8 MHz
011: Typ. frequency range (HS) = 8 ~ 16 MHz
OPT0
PLL OFF
PLL activation
This option bit activates the PLL which allows multiplication by two of
the main input clock frequency. The PLL must not be used with the
internal RC oscillator. The PLL is guaranteed only with an input
frequency between 2 and 4 MHz.
0: PLL x2 enabled
1: PLL x2 disabled
Caution: The PLL can be enabled only if the “OSCRANGE” (OPT3:1)
bits are configured to “MP - 2~4 MHz”. Otherwise, the device
functionality is not guaranteed.
Table 121.
Package selection (OPT7)
Version
Selected package
PKG1
J
LQFP44/SDIP42
1
K
LQFP32/SDIP32
0
Table 120.
Option byte 1 bit description (continued)
Bit
Name
Function



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