MC68LC302 Datasheet, PDF (36/169 Pages) Motorola, Inc – Low Power Integrated Multiprotocol Processor Reference Manual

Configuration, Clocking, Low Power Modes, and Internal Memory Map
2.6 INTERNAL REGISTERS MAP
Address
Base + 800
Base + 802
Base + 804
Base + 808
Base + 80C
Base + 80E *
Base + 80F
Base + 810
Base + 811
Base + 812 #
Base + 814 *
Base + 816
Base + 818 *
Base + 81A
Base + 81B
Base + 81C
Base + 81E #
Base + 820 #
Base + 822 #
Base + 824 #
Base + 826 #
Base + 828 #
Base + 82A
Base + 82C
Base + 82E
Base + 830 #
Base + 832 #
Base + 834 #
Base + 836 #
Base + 838 #
Base + 83A #
Base + 83C #
Base + 83E #
Base + 840
Base + 842
Base + 844
Base + 846
Base + 848
Base + 849 *
Base + 84A
Base + 84C
Base + 84E
Base + 850
Base + 852
Base + 854
Base + 856
Base + 858
Table 2-6. Internal Registers Map
Name
RES
CMR
SAPR
DAPR
BCR
CSR
RES
FCR
RES
GIMR
IPR
IMR
ISR
RINGOCR
RINGOEVR
RES
PACNT
PADDR
PADAT
PBCNT
PBDDR
PBDAT
LPDCR
BSR
RES
BR0
OR0
BR1
OR1
BR2
OR2
BR3
OR3
TMR1
TRR1
TCR1
TCN1
RES
TER1
WRR
WCN
RES
TMR2
TRR2
TCR2
TCN2
RES
Width
16
16
32
32
16
8
8
8
8
16
16
16
16
8
8
16
16
16
16
16
16
16
8
8
16
16
16
16
16
16
16
16
16
16
16
16
16
8
8
16
16
16
16
16
16
16
8
Block
IDMA
IDMA
IDMA
IDMA
IDMA
IDMA
IDMA
IDMA
IDMA
Int Cont
Int Cont
Int Cont
Int Cont
Int Cont
Int Cont
Int Cont
PIO
PIO
PIO
PIO
PIO
PIO
PIO
CS
CS
CS0
CS0
CS1
CS1
CS2
CS2
CS3
CS3
Timer
Timer
Timer
Timer
Timer
Timer
WD
WD
Timer
Timer
Timer
Timer
Timer
Timer
Description
Reserved
Channel Mode Register
Source Address Pointer
Destination Address Pointer
Byte Count Register
Channel Status Register
Reserved
Function Code Register
Reserved
Global Interrupt Mode Register
Interrupt Pending Register
Interrupt Mask Register
In-Service Register
Ring Oscillator Control Register
Ring Oscillator Event Register
Reserved
Port A Control Register
Port A Data Direction Register
Port A Data Register
Port B Control Register
Port B Data Direction Register
Port B Data Register
Low Power Drive Control Register
Bus Switch register
Reserved
Base Register 0
Option Register 0
Base Register 1
Option Register 1
Base Register 2
Option Register 2
Base Register 3
Option Register 3
Timer Unit 1 Mode Register
Timer Unit 1 Reference Register
Timer Unit 1 Capture Register
Timer Unit 1 Counter
Reserved
Timer Unit 1 Event Register
Watchdog Reference Register
Watchdog Counter
Reserved
Timer Unit 2 Mode Register
Timer Unit 2 Reference Register
Timer Unit 2 Capture Register
Timer Unit 2 Counter
Reserved
Reset Value
0000 0000
XXXX XXXX
XXXX
00
XX
0000
0000
0000
0000
00
00
0000
0000
XXXX ##
0080
0000
XXXX ##
00
0000
C001
DFFD
C000
DFFD
C000
DFFD
C000
DFFD
0000
FFFF
0000
0000
00
FFFF
0000
0000
FFFF
0000
0000
MOTOROLA
MC68LC302 REFERENCE MANUAL
2-23