user manual

Memory

Memory Map

MC68HC05RC16 — Rev. 3.0 General Release Specification

MOTOROLA Memory 29

Addr. Register Bit 7 6 5 4 3 2 1 Bit 0

$0000 Port A Data Register

$0001 Port B Data Register

$0002 Port C Data Register

$0003 Reserved R RRRRRRR

$0004 Port A Data Direction Register

$0005 Port B Data Direction Register

$0006 Port C Data Direction Register

$0007 Reserved R RRRRRRR

$0008 Timer Control and Status Reg. CTOF RTIF TOFE RTIE TOFC RTFC RT1 RT0

$0009 Timer Counter Register

$000A Reserved R RRRRRRR

$000B Reserved R RRRRRRR

$000C Reserved R RRRRRRR

$000D Reserved R RRRRRRR

$000E Reserved R RRRRRRR

$000F Reserved R RRRRRRR

$0010 IR Timer CHR1 IROLN 0 PH5 PH4 PH3 PH2 PH1 PH0

$0011 IR Timer CLR1 IROLP 0 PL5 PL4 PL3 PL2 PL1 PL0

$0012 IR Timer CHR2 0 0 SH5 SH4 SH3 SH2 SH1 SH0

$0013 IR Timer CLR2 0 0 SL5 SL4 SL3 SL2 SL1 SL0

$0014 IR Timer MCSR EOC 0 EIMSK EXMRK BASE MODE EOCIE MCGEN

$0015 IR Timer MDR1 MB11 MB10 MB9 MB8 SB11 SB10 SB9 SB8

$0016 IR Timer MDR2 MB7 MB6 MB5 MB4 MB3 MB2 MB1 MB0

$0017 IR Timer MDR3 SB7 SB6 SB5 SB4 SB3 SB2 SB1 SB0

$0018 Reserved R RRRRRRR

$0019 Reserved R RRRRRRR

R= Reserved

Figure 2-2. I/O Registers