MC68LC302 Datasheet, PDF (37/169 Pages) Motorola, Inc – Low Power Integrated Multiprotocol Processor Reference Manual

Configuration, Clocking, Low Power Modes, and Internal Memory Map
Address
Base + 859 *
Base + 85A
Base + 85C
Base + 85E
Base + 860
Base + 861
Table 2-6. Internal Registers Map
Name
TER2
RES
RES
RES
CR
Width
Block
8
Timer
16
Timer
16
Timer
16
Timer
8
CP
Reserved
Description
Timer Unit 2 Event Register
Reserved
Reserved
Reserved
Command Register
Reset Value
00
00
Base + 87F
Base + 880
Base + 882
Base + 884
Base + 886
Base + 888 *
Base + 889
Base + 88A
Base + 88B
Base + 88C
Base + 88D
Base + 88E
Base + 890
Base + 892
Base + 894
Base + 896
Base + 898 *
Base + 899
Base + 89A
Base + 89B
Base + 89C
Base + 89D
Base + 89E
Base + 8A0
RES
SCON1
SCM1
DSR1
SCCE1
RES
SCCM1
RES
SCCS1
RES
RES
RES
SCON2
SCM2
DSR2
SCCE2
RES
SCCM2
RES
SCCS2
RES
RES
16
SCC1
16
SCC1
16
SCC1
16
SCC1
8
SCC1
8
SCC1
8
SCC1
8
SCC1
8
SCC1
8
SCC1
16
SCC1
16
SCC2
16
SCC2
16
SCC2
16
SCC2
16
SCC2
8
SCC2
8
SCC2
8
SCC2
8
SCC2
8
SCC2
16
SCC2
Reserved
Reserved
SCC1 Configuration Register
SCC1 Mode Register
SCC1 Data Sync. Register
SCC1 Event Register
Reserved
SCC1 Mask Register
Reserved
SCC1 Status Register
Reserved
Reserved
Reserved
SCC2 Configuration Register
SCC2 Mode Register
SCC2 Data Sync. Register
SCC2 Event Register
Reserved
SCC2 Mask Register
Reserved
SCC2
Reserved
Reserved
0004
0000
7E7E
00
00
00
0004
0000
7E7E
0000
00
0000
Base + 8AE
Base + 8B0
Base + 8B2 #
Base + 8B4 #
Base + 8B6
SPMODE
SIMASK
SIMODE
16
SCM
16
SI
16
SI
Reserved
SCP, SMC Mode and Clock Control
Register
Serial Interface Mask Register
Serial Interface Mode Register
0000
FFFF
0000
Base +8DA
Base + 8DC #
Base + 8DE #
Base + 8E0
PNDNR
PNDAT
8
PIO
8
PIO
Reserved
Pin IO Data Direction Register
Pin IO Data Register
0000
0000
Base +8EC
Base + 8EE #
Base + 8F0
DISC
16
SIB
Reserved
Disable SCC1 Serial Clocks
0000
Base + FFF
# Reset only upon total system reset. (RESET and HALT assert together), but not on the execution of an
M68000 RESET instruction. See the RESET pin description for details.
## The output latches are undefined at total system reset.
* Event register with special properties.
2-24
MC68LC302 REFERENCE MANUAL
MOTOROLA