MC68HC11E0 Motorola, MC68HC11E0 Datasheet - Page 25

• Manufacturer Part Number: MC68HC11E0
• Description: (MC68HC711E Series) M68HC11E Series Programming Reference Guide
• Manufacturer: Motorola

MOTOROLA
1. SCP2 adds ÷ 39 to SCI prescaler and is present only in MC68HC(7)11E20.
$102A
$102B
$102C
$102D
$102E
$1023
$1024
$1025
$1026
$1027
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$1029
Addr.
Serial Peripheral Control Register
Serial Peripheral Status Register
Timer Interrupt Mask 2 Register
Serial Communications Control
Serial Communications Control
Serial Communications Status
Pulse Accumulator Control
Serial Peripheral Data I/O
Pulse Accumulator Count
Timer Interrupt Flag 1
Timer Interrupt Flag 2
Figure 6. Register and Control Bit Assignments (Sheet 4 of 6)
Register 1 (SCCR1)
Register 2 (SCCR2)
Baud Rate Register
Register (PACNT)
Register (PACTL)
Register (SPDR)
Register (SCSR)
Register Name
(TMSK2)
(TFLG1)
(TFLG2)
(SPCR)
(SPSR)
(BAUD)
M68HC11E Series Programming Reference Guide
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
I = Indeterminate after reset
DDRA7
OC1F
TDRE
TCLR
Bit 7
SPIE
SPIF
Bit 7
Bit 7
TOF
TOI
TIE
R8
0
0
0
0
0
0
0
0
1
I
= Unimplemented
SCP2
WCOL
OC2F
PAEN
RTIF
TCIE
RTII
Bit 6
SPE
Bit 6
TC
T8
6
0
0
0
0
0
0
0
0
1
I
(1)
PAMOD
PAOVF
DWOM
PAOVI
OC3F
RDRF
SCP1
Bit 5
Bit 5
RIE
5
0
0
0
0
0
0
0
0
0
0
Indeterminate after reset
Indeterminate after reset
PEDGE
MODF
MSTR
OC4F
SCP0
PAIF
IDLE
Bit 4
Bit 4
PAII
ILIE
M
R
4
0
0
0
0
0
0
0
0
0
0
= Reserved
DDRA3
I4/O5F
WAKE
RCKB
CPOL
Bit 3
Bit 3
OR
TE
3
0
0
0
0
0
0
0
0
0
0
U = Unaffected
CPHA
SCR2
I4/O5
IC1F
Bit 2
Bit 2
M68HC11E Series Registers
RE
NF
U
0
0
0
0
1
0
0
0
0
2
M68HC11ERG/AD
RTR1
SPR1
SCR1
RWU
IC2F
PR1
Bit 1
Bit 1
FE
U
U
1
0
0
0
0
0
0
0
0
SCR0
RTR0
SPR0
Bit 0
IC3F
PR0
Bit 0
Bit 0
SBK
U
U
0
0
0
0
0
0
0
0
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