Legacy-Free Keyboard/Embedded Controller with SPI and LPC Docking Interface
Table 7.7 8051 On-Chip External Memory Mapped Registers (continued)
SYSTEM
8051
MMCR
SYSTEM
ADDRESS ADDRESS
8051
POWER VCC1 VCC2
REGISTER NAME
ADDRESS
TYPE
(7F00+)
TYPE
PLANE
POR
POR
NOTE
PCOBF
-
-
-
-
-
-
-
-
FDh
FEh
FFh
00h
R/W
W
VCC1
00h
SETGA20L
RSTGA20L
-
-
8051 Interrupt 0
Source Register
R/WC
R/W
00h
8051 Interrupt 0
Mask Register
-
-
-
-
-
-
01h
02h
03h
8051 Interrupt 1
Source Register
R/WC
R/W
8051 Interrupt 1
Mask Register
Keyboard Scan out
Keyboard Scan in
-
-
-
-
-
-
-
-
-
-
-
04h
04h
05h
06h
07h
W
R
-
20h
-
-
-
-
Device Rev register
Device ID register
R
VCC1
XXh
15h
Note 7.19
SMSC LPC47N350
Revision 1.1 (01-14-03)
DATA5S1HEET