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Customer Reference Board Manual 43
Intel® IQ80333 I/O Processor
Hardware Reference Section
3.9.6.5 Jumper J7D1: Flash bit-width
The IQ80333 expects an 8-bit Flash enable.
3.9.6.6 Jumper J1C1: JTAG Chain
3.9.6.7 Jumper J1D2: UART Control
Table 31. Jumper J7D1: Descriptions
Jumper Description Factory Default
J7D1 8-bit Flash Enable Open
Table 32. Jumper J7D1: Settings and Operation Mode
Pins Operation Mode
1-2 Enables 16-bit Flash
NC 8-bit Flash (default mode)
Table 33. Jumper J1C1: Descriptions
Jumper Description Factory Default
J1C1 JTAG Chain Enable 1-2
Table 34. Jumper J1C1: Settings and Operation Mode
J1C1 Operation Mode
Pins 1, 2 Enables JTAG Chain for IOP only (Default Mode).
Pins 3, 4 Enables JTAG Chain for IOP + CPLD
Pins 5, 6 Enables JTAG Chain for IOP + CPLD + GBE
Pins 7, 8 Enables TRST# pull-down resistor
Table 35. Jumper J1D2: Descriptions
Jumper Description Factory Default
J1D2 UART Control Open
Table 36. Jumper J1D2: Settings and Operation Mode
J1D2 Operation Mode
Pins 1, 2 Disables UART/RS-232 port
NC Enables UART/RS-232 port (Default Mode)