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84
Revision 3.0
G
General Configuration Block
(Continued)
21
IOCSEL (Select I/O Commands
)
.
Selects ball functions.
Ball #
0: I/O Command Signals
EBGA / TEPBGA
Name
F1 / D9
IOR#
DOCR#
G3 / A8
IOW#
DOCW#
Reserved.
Must be set to 0.
AB2SEL (Select ACCESS.bus 2).
Selects ball functions.
Ball #
0: GPIO Signals
EBGA / TEPBGA
Name
AJ12 / N29
GPIO12
AL11 / M29
GPIO13
SP2SEL (Select SP2 Additional Pins).
Selects ball functions.
Ball #
0: GPIO, IDE Signals
EBGA / TEPBGA
Name
AH3 / D28
GPIO6
IDE_IOR1#
AG4 / C28
GPIO9
IDE_IOW1#
AJ1 / B29
GPIO10
IDE_IORDY1
H30 / AJ8
GPIO11
IRQ15
SP2CRSEL (Select SP2 Flow Control).
Selects ball functions.
Ball #
0: GPIO, IDE Signals
EBGA / TEPBGA
Name
AH4 / C30
GPIO7
IDE_DACK1#
AJ2 / C31
GPIO8
IDE_DREQ1
SP1SEL (Select SP1 Additional Pin)
. Selects ball function.
Ball #
0: GPIO Signal
EBGA / TEPBGA
Name
A28 / AG1
GPIO18
RSVD (Reserved).
Write to 0.
LPCSEL (Select LPC Bus).
Selects ball functions. The LPC_ROM strap (EBGA ball E4 / TEPBGA ball D6) determines the
power-on reset (POR) state of PMR[14] and PMR[22].
Ball #
0: GPIO Signals
EBGA / TEPBGA
Name
Add’l Dependencies
AJ11 / M28
GPIO32
PMR[22] = 0
AL10 / L31
GPIO33
PMR[22] = 0
AK10 / L30
GPIO34
PMR[22] = 0
AJ10 / L29
GPIO35
PMR[22] = 0
AL9 / L28
GPIO36
PMR[22] = 0
AK9 / K31
GPIO37
PMR[22] = 0
AJ9 / K28
GPIO38/IRRX2
PMR[22] = 0
AL8 / J31
GPIO39
PMR[22] = 0
IOCS1SEL (Select IOCS1).
Selects ball functions for IOCS1# or GPIO1. Works in conjunction with PMR[23], see PMR[23]
for definition.
1: GPIO Signals
Name
GPIO14
Undefined
GPIO15
Undefined
Add’l Dependencies
PMR[2] = 0
PMR[2] = 1
PMR[2] = 0
PMR[2] = 1
Add’l Dependencies
PMR[2] = 1
PMR[2] = 0
PMR[2] = 1
PMR[2] = 0
20
19
1: ACCESS.bus 2 Signals
Name
AB2C
AB2D
Add’l Dependencies
None
None
Add’l Dependencies
None
None
18
1: Serial Port Signals
Name
DTR2#/BOUT2
SDTEST5
DCD2#
SDTEST2
DSR2#
SDTEST1
RI2#
Undefined
Add’l Dependencies
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
Add’l Dependencies
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
17
1: Serial Port Signals
Name
RTS2#
SDTEST0
CTS2#
SDTEST4
Add’l Dependencies
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
Add’l Dependencies
PMR[8] = 0
PMR[8] = 1
PMR[8] = 0
PMR[8] = 1
16
1: Serial Port Signal
Name
DTR1#/BOUT1
Add’l Dependencies
None
Add’l Dependencies
None
15
14
1: LPC Signals
Name
LAD0
LAD1
LAD2
LAD3
LDRQ#
LFRAME#
LPCPD#
SERIRQ
Add’l Dependencies
PMR[22] = 1
PMR[22] = 1
PMR[22] = 1
PMR[22] = 1
PMR[22] = 1
PMR[22] = 1
PMR[22] = 1
PMR[22] = 1
13
Table 3-2. Multiplexing, Interrupt Selection, and Base Address Registers (Continued)
Bit
Description