mc68hc11f1cpu3 Freescale Semiconductor, Inc, mc68hc11f1cpu3 Datasheet - Page 44

• Manufacturer Part Number: mc68hc11f1cpu3
• Description: Mc68hc11f1 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

4.3 System Initialization
4-6
$102C
$102D
$103C
$103D
$105C
$105D
$1028
$1029
$102A
$102B
$102E
$102F
$1030
$1031
$1032
$1033
$1034
$1035
$1036
$1037
$1038
$1039
$103A
$103B
$103E
$103F
$1040
$105B
$105E
$105F
to
Registers and bits that control initialization and the basic operation of the MCU are pro-
tected against writes except under special circumstances. The following table lists reg-
isters that can be written only once after reset or that must be written within the first 64
cycles after reset.
RBOOT
GWOM
TILOP
IO1SA
IO1EN
IO1AV
ADPU
RAM3
TCLR
TDRE
GA15
SPIE
SPIF
ODD
EE3`
CCF
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
TIE
R8
0
Table 4-1 Register and Control Bit Assignments (Continued)
CWOM
WCOL
SMOD
IO1SB
IO1PL
IO2AV
EVEN
RAM2
CSEL
GA14
TCIE
SPE
EE2
TC
T8
6
6
0
6
0
6
6
6
6
0
6
0
The register block can be remapped to any 4-Kbyte boundary.
Freescale Semiconductor, Inc.
OPERATING MODES AND ON-CHIP MEMORY
For More Information On This Product,
DWOM
CLK4X
OCCR
IO2SA
IO2EN
SCAN
RAM1
RDRF
SCP1
GA13
IRQE
MDA
EE1
RIE
5
0
5
0
5
5
5
5
5
0
5
0
0
Go to: www.freescale.com
PTCON
GNPOL
MODF
IO2SB
MSTR
RAM0
IO2PL
SCP0
MULT
BYTE
CBYP
GA12
IDLE
DLY
ILIE
EE0
IRV
M
4
4
4
4
4
4
4
0
4
GCSPR
GSTHA
GAVLD
BPRT3
PSEL3
WAKE
CPOL
RCKB
REG3
GA11
ROW
DISR
CME
OR
CD
TE
3
0
3
3
3
3
3
3
0
3
1
NOCOP
ERASE
GSTHB
PCSEN
BPRT2
PSEL2
GSIZA
FCME
CPHA
SCR2
REG2
GA10
FCM
CC
RE
NF
2
0
2
0
2
2
2
2
2
0
2
PSTHA
BPRT1
EELAT
PSEL1
PSIZA
GSIZB
FCOP
SPR1
SCR1
REG1
RWU
CR1
CB
FE
1
0
1
0
1
1
1
1
1
0
1
1
0
EEPGM PPROG
PSTHB
BPRT0
PSEL0
GSIZC
EEON
PSIZB
REG0
SPR0
SCR0
Bit 0
Bit 0
Bit 0
SBK
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
CR0
Bit 0
TECHNICAL DATA
CA
0
0
0
0
0
MC68HC11F1
SPCR
SPSR
SPDR
BAUD
SCCR1
SCCR2
SCSR
SCDR
ADCTL
ADR1
ADR2
ADR3
ADR4
BPROT
Reserved
Reserved
OPT2
OPTION
COPRST
HPRIO
INIT
TEST1
CONFIG
Reserved
Reserved
CSSTRH
CSCTL
CSGADR
CSGSIZ