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UM0193 Datasheet(PDF) 7 Page - STMicroelectronics

Part # UM0193
Description  Getting Started with the ARMIC30 Evaluation Board
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0193 Datasheet(HTML) 7 Page - STMicroelectronics

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UM0193
Hardware
7/35
Note:
1
If using a resistor assembly (hardware option), the correct MCU signal must be set as an
input!
2
Do not assemble both resistors as this will short-circuit the supply voltage!
1.4
SPI interface
A 10-pin connector (J18) provides the Serial Peripheral Interface (SPI) through the BSPI0
channel of the STR730F microcontroller as shown in Figure 7.
Connector J18 also provides additional general purpose signals that are primarily used as
Watchdog (WD) and Slave Chip Select (SSn) lines.
Figure 7.
SPI connector pinout
Table 4.
CAN slew rate settings
Speed
Slew Rate (V/µs)
MCU SIgnal
Signal Level
Resistor
Low
5 to 20
P2.0
High
R32
High
20 to 50
Low
R34
Table 5.
SPI Connections
J18 Pin
Signal
STR730F MCU
Peripheral
1GND
2+5V DC
3
MOSI (Master Output/Slave Input)
Port 6.12
BSPI0
4
MISO (Master Input/Slave Output)
Port 6.11
BSPI0
5
SCK (Serial Clock)
Port 6.13
BSPI0
6
WD
Port 0.12
GPIO
7
SS0 (Slave Select 0)
Port 6.14
BSPI0
8
SS1 (Slave Select 1)
Port 0.13
GPIO
9
SS2 (Slave Select 2)
Port 1.12
GPIO
10
SS3 (Slave Select 3)
Port 1.13
GPIO
1
2
3
4
5
6
7
8
9
10



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