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SPEAR-09-B042 Datasheet(PDF) 18 Page - STMicroelectronics

Part # SPEAR-09-B042
Description  SPEAr짰 BASIC ARM 926EJ-S core, customizable logic, large IP portfolio SoC
PDF  66 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPEAR-09-B042 Datasheet(HTML) 18 Page - STMicroelectronics

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Pins description
SPEAR-09-B042
18/66
Note:
PU means Pull Up and PD means pull down
RTC
RTC_XI
E2
Input
32KHz crystal I
Oscillator 1V capable
RTC_XO
E1
Output
32 KHz crystal O
SMI
SMI_DATAIN
M13
I/O
Serial Flash input data
TTL input buffer 3.3 V
tolerant, PU
SMI_DATAOUT
M14
I/O
Serial Flash output data TTL output buffer 3.3 V
capable, 4mA
SMI_CLK
N17
I/O
Serial Flash clock
SMI_CS_0
M15
Output
Serial Flash
chip select
SMI_CS_1
M16
Reset
MRESET
M17
Input
Main reset
TTL Schmitt trigger input
buffer, 3.3 V tolerant, PU
3.3 V
Com-
pens.
DIGITAL_REXT
G4
Output
Configuration
Analog, 3.3 V capable
DIGITAL_GND_RE
XT
F4
Power
Power
Power
Table 1.
Pin description by functional group (continued)
Group
Signal name
Ball
Direction
Function
Pin type



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