Evaluation Platform Board Manual 37
Intel® IQ80332 I/O Processor
Hardware Reference Section
3.8 Board Reset Scheme

Figure 10 depicts the reset scheme for the 8 0332. Tabl e 14 list the reset schemes for the 80332.

Table 14. Reset Requirements/Schemes

Description
Primary PCI reset, resets all d evices on the board. It occurs during the power-up.
The SRST signal from the JTAG connec tor is a bi-directional signal that can force a reset similar to the
power-up reset on the board.

Figure 10. RESET Sources

DDR II SDRAM

Intel® 80332 I/O
Processor PCI-X Con A

PCI-X 2.0 Con B

JTAG

Con

Debounce
CPLD
A_RST#
B_RST#
RST#
LAN_PWR_GOOD
PWRGD
TRST
#
SRST
#
Power
Delay
RESETIN
#
Reset
Button

82545EM

TRST
#
M_RST#
PWRDELAY

PCI-E Con

Pwrgood
Isolation
Voltage
Monitor