Legacy-Free Keyboard/Embedded Controller with SPI and LPC Docking Interface
Table B.23 EIP Register Bit Descriptions
BIT
FUNCTION
EIP.7-5
EIP.4
Reserved. Read as ‘1’.
Reserved. Read and Write as ‘0’.
EIP.3
PX5 External interrupt 5 priority control. PX5 = 0 sets external interrupt 5 (int5_n)
to low priority. PX5 = 1 sets external interrupt 5 to high priority.
EIP.2
EIP.1
EIP.0
PX4 External interrupt 4 priority control. PX4 = 0 sets external interrupt 4 (int4) to
low priority. PX2 = 1 sets external interrupt 4 to high priority.
PX3 External interrupt 3 priority control. PX3 = 0 sets external interrupt 3 (int3_n)
to low priority. PX3 = 1 sets external interrupt 3 to high priority.
PX2 External interrupt 2 priority control. PX2 = 0 sets external interrupt 2 (int2) to
low priority. PX2 = 1 sets external interrupt 2 to high priority.
SMSC LPC47N350
327
Revision 1.1 (01-14-03)
DATASHEET
SMSC [ SMSC CORPORATION ]
