Datasheet

MSI Register Map
MC68HC812A4 Data Sheet, Rev. 7
Freescale Semiconductor 145
13.5 MSI Register Map
Addr.Register Name Bit 7654321Bit 0
$00C0
SCI 0 Baud Rate Register
High (SC0BDH)
See page 168.
Read:
BTST BSPL BRLD SBR12 SBR11 SBR10 SBR9 SBR8
Write:
Reset:00000000
$00C1
SCI 0 Baud Rate Register
Low (SC0BDL)
See page 168.
Read:
SBR7 SBR6 SBR5 SBR4 SBR3 SBR2 SBR1 SBR0
Write:
Reset:00000100
$00C2
SCI 0 Control
Register 1 (SC0CR1)
See page 169.
Read:
LOOPS WOMS RSRC M WAKE ILT PE PT
Write:
Reset:00000000
$00C3
SCI 0 Control
Register 2 (SC0CR2)
See page 171.
Read:
TIE TCIE RIE ILIE TE RE RWU SBK
Write:
Reset:00000000
$00C4
SCI 0 Status
Register 1 (SC0SR1)
See page 172.
Read: TDRE TC RDRF IDLE OR NF FE PF
Write:
Reset:11000000
$00C5
SCI 0 Status
Register 2 (SC0SR2)
See page 173.
Read: 0 0 0 0000RAF
Write:
Reset:00000000
$00C6
SCI 0 Data Register High
(SC0DRH)
See page 174.
Read: R8
T8
000000
Write:
Reset: Unaffected by reset
$00C7
SCI 0 Data Register Low
(SC0DRL)
See page 174.
Read: R7 R6 R5 R4 R3 R2 R1 R0
Write: T7 T6 T5 T4 T3 T2 T1 T0
Reset: Unaffected by reset
$00C8
SCI 1 Baud Rate Register
High (SC1BDH)
See page 168.
Read:
BTST BSPL BRLD SBR12 SBR11 SBR10 SBR9 SBR8
Write:
Reset:00000000
$00C9
SCI 1 Baud Rate Register
Low (SC1BDL)
See page 168.
Read:
SBR7 SBR6 SBR5 SBR4 SBR3 SBR2 SBR1 SBR0
Write:
Reset:00000100
$00CA
SCI 1 Control Register 1
(SC1CR1)
See page 169.
Read:
LOOPS WOMS RSRC M WAKE ILT PE PT
Write:
Reset:00000000
$00CB
SCI 1 Control Register 2
(SC1CR2)
See page 171.
Read:
TIE TCIE RIE ILIE TE RE RWU SBK
Write:
Reset:00000000
= Unimplemented
Figure 13-2. MSI Register Map