MC68HC705C8ACB Freescale Semiconductor, MC68HC705C8ACB Datasheet - Page 40

• Manufacturer Part Number: MC68HC705C8ACB
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC705C8ACB

• Cpu Family: HC05
• Device Core Size: 8b
• Frequency (max): 2.1MHz
• Interface Type: SCI/SPI
• Program Memory Type: EPROM
• Program Memory Size: 8KB
• Total Internal Ram Size: 304Byte
• # I/os (max): 24
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 42
• Package Type: SPDIP
• Lead Free Status / Rohs Status: Not Compliant

Memory
Technical Data
40
$000C
$000D
$000A
$000B
$000E
$000F
$0010
$0012
$0011
Addr.
Timer Control Register
SCI Control Register 1
SCI Control Register 2
SPI Control Register
SCI Status Register
SPI Status Register
Baud Rate Register
SCI Data Register
SPI Data Register
Register Name
See page 149.
See page 151.
See page 149.
See page 136.
See page 130.
See page 131.
See page 133.
See page 129.
See page 94.
(SCCR1)
(SCCR2)
(SCDR)
(SPCR)
(SPDR)
(SCSR)
(SPSR)
Figure 2-2. I/O Register Summary (Sheet 2 of 4)
(Baud)
(TCR)
Freescale Semiconductor, Inc.
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
For More Information On This Product,
Read:
Read:
Read:
Read:
Read:
Read:
Read: TDRE
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
SPIE
SPIF
Bit 7
Bit 7
Bit 7
ICIE
TIE
R8
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U
U
0
0
0
1
0
= Unimplemented
WCOL
OCIE
TCIE
SPE
Bit 6
Bit 6
TC
T8
U
U
6
0
0
0
1
0
Memory
SCP1
RDRF
TOIE
Bit 5
Bit 5
RIE
5
0
0
0
0
U = Unaffected
MODF
MSTR
Unaffected by reset
SCP0
Unaffected by reset
IDLE
Bit 4
Bit 4
ILIE
M
U
4
0
0
0
0
0
0
0
WAKE
CPOL
Bit 3
Bit 3
OR
TE
U
U
U
3
0
0
0
0
MC68HC705C8A — Rev. 3
CPHA
SCR2
BIt 2
Bit 2
RE
NF
U
U
2
0
0
0
0
SPR1
SCR1
RWU
IEDG
Bit 1
Bit 1
FE
U
U
U
1
0
0
SPR0
SCR0
OLVL
Bit 0
Bit 0
SBK
Bit 0
U
U
U
0
0