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CR8F612X データシート(PDF) 47 Page - STMicroelectronics

部品番号 CR8F612X
部品情報  16 MHz CR8F 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM,640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C
PDF  89 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

CR8F612X データシート(HTML) 47 Page - STMicroelectronics

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CR8F612X
Electrical characteristics
Doc ID 15590 Rev 1
45/88
9.3.1
VCAP external capacitor
Stabilization for the main regulator is achieved connecting an external capacitor CEXT to the
VCAP pin. CEXT is specified in Table 17. Care should be taken to limit the series inductance
to less than 15 nH.
Figure 8.
External capacitor CEXT
1.
ESR is the equivalent series resistance and ESL is the equivalent inductance.
Table 18.
Operating conditions at power-up/power-down
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tVDD
VDD rise time rate
2
∞
µs/V
VDD fall time rate
(1)
1.
Reset is always generated after a tTEMP delay. The application must ensure that VDD is still above the
minimum ooperating voltage (VDD min) when the tTEMP delay has elapsed.
2
∞
tTEMP
Reset release
delay
VDD rising
1.7
ms
VIT+
Power-on reset
threshold
2.6
2.7
2.85
V
VIT-
Brown-out reset
threshold
2.5
2.65
2.8
VHYS(BOR)
Brown-out reset
hysteresis
70
mV
C
Rleak
ESR
ESL



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