STMicroelectronics SPC570SADPT64S rev. B, Руководство пользователя

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5.2 Port configuration
The following jumpers need to configure the ports:
Table 2. Ports related jumpers
Jumper Description Default Position
J11
VDD_LV2 configuration for external 1.25 V use:
•
Open: TESTMODE not connected
• Closed: TESTMODE connected to:
–
R6 Mounted: pulldown (default)
– R3 Not Mounted: pullup
Close (default pull-down) Figure 10 - A2
JP3
PC[15] connection configuration jumper:
•
1-2: QSH connectors (motherboard
• 2-3: ESR0
1-2 (QSH connectors motherboard) Figure 10 - B2
5.3 System clock configuration
The "mini module" supports the usage of crystal clock sources as well as external clock source:
Table 3. Clock configuration jumpers
Jumper Description Default Position
J13
EXTAL connection configuration:
•
1-2: EXTAL connected to 40 MHz cristal clock source
• 2-3: EXTAL connected to EXTAL EVB clock source
1-2 (XT1 pin2) Figure 10 - B2
J15
XTAL connection configuration:
•
1-2: XTAL connected to 40 MHz cristal clock source
• 2-3: XTAL connected to GND
1-2 (XT1 pin1) Figure 10 - B2
J17
8MHz oscillator enable jumper:
•
Open: 8 MHz oscillator not enabled
• Closed: 8 MHz oscillator enabled
Open Figure 10 - C1
J19
External clock source jumper selector:
•
1-2: from 8 MHz oscillator
• 2-3: from SMA connector
1-2 Figure 10 - B2
5.4 Connectors
The "mini module" evaluation board has the following debug connectors:
Table 4. Connectors
Connectors Description Position
J12 14-pin header connector for JTAG port Figure 10 - A1
J14 34-pin SAMTEC connector for Nexus 2 Figure 10 - A2
J7 38-pin Mictor connector for Nexus level 3+ Figure 10 - A3
J4 Fault collection and control Unit (FCCU) pin, for failure notification Figure 10 - C4
J2 External power supplies input Figure 10 - D4
J23,J24 2 X SAMTEC QSH series, 240 way connector to connect minimodule to motherboard Figure 11
UM2841
Port configuration
UM2841 - Rev 1
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