IDT 79RC32355
Signal
MDATA[11]
Name/Description
Hold SYSCLKP Constant.
For systems that do not require a SYSCLKP output and can instead use CLKP, setting this bit to a one causes the
SYSCLKP output to be held at a constant level. This may be used to reduce EMI.
0x0 - Allow SYSCLKP to toggle
0x1 - Hold SYSCLKP constant
JTAG Boundary Scan Reset Enable.
When this bit is set, Alternate 2 pin function, JTAG_TRST_N is selected.
0x0 - GPIOP[2] pin behaves as GPIOP
0x1 - GPIOP[2] pin behaves as JTAG_TRST_N
CPU / DMA Transaction Indicator Enable.
When this bit is set, Alternate 2 pin function, CPUP is selected.
0x0 - GPIOP[4] pin behaves as GPIOP
0x1 - GPIOP[4] pin behaves as CPUP
Reserved.
These pins must be driven low during boot configuration.
Table 2 Boot Configuration Vector Encoding (Part 2 of 2)
MDATA[12]
MDATA[13]
MDATA[15:14]
13 of 47
May 25, 2004