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3.10.9
Detail Descriptions of Switches/Jumpers
3.10.9.1
Switch S7E1- 2/3
Table 36.
Switch S7E1- 2/3: General Descriptions
Switch
S7E1-2
S7E1-3
3.10.9.1.1
S7E1-2: RST_MODE
RESET MODE is latched at the de-asserting edge of P_RST# and it determines when the 80219 is held
in reset until the Intel XScale
Table 37.
Switch S7E1-2: RST_MODE: Settings and Operation Mode
S7E1-2
Off
On
3.10.9.1.2
S7E1-3: RETRY
RETRY is latched at the de-asserting edge of P_RST# and it determines when the Primary PCI
interface disable PCI configuration cycles by signaling a Retry until the Configuration Cycle Retry bit
is cleared in the PCI Configuration and Status Register.
Table 38.
Switch S7E1-3: RETRY: Settings and Operation Mode
S7E1-3
Off
On
3.10.9.1.3
Operation Setting Summary Descriptions
Table 39.
RST_MODE and RETRY Operation Setting Summary
RST_MODE
0
0
1
1
Board Manual
Intel® IQ80219 General Purpose PCI Processor Evaluation Platform
Association
IOP
RST_MODE: Sets IOP Reset-Mode operation.
IOP
RETRY: Sets IOP RETRY-Mode operation.
®
core Reset bit is cleared in the PCI Configuration and Status Register.
1 Pulled Up: Don't hold in reset (Default mode).
0 Pulled Down: Hold in reset.
1 Pulled Up: Retry enabled (Default mode).
0 Pulled Down: Configuration Cycles enabled.
RETRY
Init Mode
0
Mode 0
1
Mode 1
0
Mode 2
1
Mode 3 (default)
Hardware Reference Section
Description
Operation Mode
Operation Mode
Primary PCI Interface
Accepts Transactions
Retries all Config Transactions
Accepts Transactions
Retries all Config Transactions
Factory Default
Off
Off
®
Intel
80219
General Purpose
PCI Processorr
Held in Reset
Held in Reset
Initializes
Initializes
57
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