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)