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ST90E40G0 Ver la hoja de datos (PDF) - STMicroelectronics

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ST90E40G0 16K ROM HCMOS MCU WITH EEPROM, RAM AND A/D CONVERTER ST-Microelectronics
STMicroelectronics ST-Microelectronics
ST90E40G0 Datasheet PDF : 56 Pages
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ST9040
SCI TIMING TABLE
(VDD = 5V ± 10%, TA = - 40°C to +85°C, Cload = 50pF, INTCLK = 12MHz,
Output Alternate Function set as Push-pull)
N° Symbol
Parameter
Condition
Value
Unit
Min. Max.
FRxCKIN Frequency of RxCKIN
1 x mode
16 x mode
FCK/8
Hz
FCK/4
Hz
TwRxCKIN RxCKIN shortest pulse
1 x mode
16 x mode
4 TCK
s
2 TCK
s
FTxCKIN Frequency of TxCKIN
1 x mode
16 x mode
FCK/8
Hz
FCK/4
Hz
TwTxCKIN TxCKIN shortest pulse
1 x mode
16 x mode
4 TCK
s
2 TCK
s
1 TsDS
DS (Data Stable) before rising
edge of RxCKIN
1 x mode reception with RxCKIN TPC/2
ns
2 TdD1
TxCKIN to Data out delay Time
1 x mode transmission with
external clock C load <100pF
2.5 TPC
ns
3 TdD2
CLKOUT to Data out delay Time
1 x mode transmission with
CLKOUT
350
ns
Note: FCK = 1/TCK
SCI TIMING
30/56
®
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