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LQFP64 Datasheet(PDF) 41 Page - STMicroelectronics

Part # LQFP64
Description  Up to 60 DMIPs operation
PDF  116 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LQFP64 Datasheet(HTML) 41 Page - STMicroelectronics

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DocID14619 Rev 13
41/116
SPC560B40x/50x, SPC560C40x/50x
Package pinouts and signal descriptions
115
3.11.2
NVUSRO[OSCILLATOR_MARGIN] field description
The fast external crystal oscillator consumption is dependent on the
OSCILLATOR_MARGIN bit value. Table 10 shows how NVUSRO[OSCILLATOR_MARGIN]
controls the device configuration.
3.11.3
NVUSRO[WATCHDOG_EN] field description
The watchdog enable/disable configuration after reset is dependent on the
WATCHDOG_EN bit value. Table 11 shows how NVUSRO[WATCHDOG_EN] controls the
device configuration.
3.12
Absolute maximum ratings
Table 10. OSCILLATOR_MARGIN field description
Value(1)
1.
Default manufacturing value is ‘1’. Value can be programmed by customer in Shadow Flash.
Description
0
Low consumption configuration (4 MHz/8 MHz)
1
High margin configuration (4 MHz/16 MHz)
Table 11. WATCHDOG_EN field description
Value(1)
1.
Default manufacturing value is ‘1’. Value can be programmed by customer in Shadow Flash.
Description
0
Disable after reset
1
Enable after reset
Table 12. Absolute maximum ratings
Symbol
Parameter
Conditions
Value
Unit
Min
Max
VSS
SR Digital ground on VSS_HV pins
—
0
0
V
VDD
SR
Voltage on VDD_HV pins with respect
to ground (VSS)
—
0.3
6.0
V
VSS_LV
SR
Voltage on VSS_LV (low voltage digital
supply) pins with respect to ground
(VSS)
—VSS0.1
VSS+0.1
V
VDD_BV SR
Voltage on VDD_BV pin (regulator
supply) with respect to ground (VSS)
—
0.3
6.0
V
Relative to VDD
0.3
VDD+0.3
VSS_ADC SR
Voltage on VSS_HV_ADC (ADC
reference) pin with respect to ground
(VSS)
—VSS0.1
VSS+0.1
V
VDD_ADC SR
Voltage on VDD_HV_ADC pin (ADC
reference) with respect to ground (VSS)
—
0.3
6.0
V
Relative to VDD
VDD 0.3
VDD+0.3



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