MC68HC705C8AB Freescale Semiconductor, MC68HC705C8AB Datasheet - Page 151
MC68HC705C8AB
Manufacturer Part Number
MC68HC705C8AB
Description
IC MCU 8K OTP 2.1MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AB
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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11.9.3 SPI Status Register
MC68HC705C8A — Rev. 3
MOTOROLA
Address:
The SPSR shown in
conditions:
SPIF — SPI Flag
WCOL — Write Collision Bit
Reset:
Read:
Write:
•
•
•
This clearable, read-only bit is set each time a byte shifts out of or into
the shift register. SPIF generates an interrupt request if the SPIE bit
in the SPCR is also set. Clear SPIF by reading the SPSR with SPIF
set and then reading or writing the SPDR. Reset clears the SPIF bit.
This clearable, read-only flag is set when software writes to the SPDR
while a transmission is in progress. Clear the WCOL bit by reading the
SPSR with WCOL set and then reading or writing the SPDR. Reset
clears WCOL.
Freescale Semiconductor, Inc.
For More Information On This Product,
1 = Transmission complete
0 = Transmission not complete
1 = Invalid write to SPDR
0 = No invalid write to SPDR
SPI transmission complete
Write collision
Mode fault
$000B
SPIF
Bit 7
0
Serial Peripheral Interface (SPI)
Go to: www.freescale.com
Figure 11-9. SPI Status Register (SPSR)
= Unimplemented
WCOL
6
0
Figure 11-9
5
MODF
contains flags to signal these
4
0
3
Serial Peripheral Interface (SPI)
2
SPI I/O Registers
1
Technical Data
Bit 0
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