MC68HC705X32CFU Freescale Semiconductor, MC68HC705X32CFU Datasheet - Page 104

• Manufacturer Part Number: MC68HC705X32CFU
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC705X32CFU

• Cpu Family: HC05
• Device Core Size: 8b
• Frequency (max): 4MHz
• Interface Type: SCI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 528Byte
• # I/os (max): 32
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: PQFP
• Lead Free Status / Rohs Status: Supplier Unconfirmed

7
SCLK
TDO
pin
pin
(See note)
Note:
$0011
Clock extraction
polarity control
phase and
data register
data shift
Transmit
Transmit
register
Transmitter
Figure 7-1 Serial communications interface block diagram
The serial communications data register (SCI SCDR) is controlled by the internal
R/W signal. It is the transmit data register when written to and the receive data
register when read.
Freescale Semiconductor, Inc.
clock
TE
Transmitter
TRDE
For More Information On This Product,
R8
Internal bus
control
7
SERIAL COMMUNICATIONS INTERFACE
7
SBK
TC
T8
6
6
&
Go to: www.freescale.com
RDRF
5
5
+
&
control
IDLE
Flag
M
4
4
+
7
SCI interrupt
WAKE
OR
&
3
3
CPOL
NF
2
2
Receiver
&
control
CPHA
SCSR
$0010
FE
1
1
Receiver
clock
LBCL
0
SCCR1
$000E
SCCR2
$000F
Wake up
TCIE
RWU
SBK
ILIE
RIE
TIE
RE
TE
(See note)
unit
$0011
7
6
5
4
3
2
1
0
data register
data shift
Receive
Receive
register
MC68HC05X16
Rev. 1
RDI
pin