MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 306
MC68HC908AB32CFU
Manufacturer Part Number
MC68HC908AB32CFU
Description
IC MCU 8MHZ 32K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AB32CFUE.pdf
(392 pages)
Specifications of MC68HC908AB32CFU
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Serial Peripheral Interface Module (SPI)
16.14.2 SPI Status and Control Register
Technical Data
306
Address: $0011
The SPI status and control register contains flags to signal these
conditions:
The SPI status and control register also contains bits that perform these
functions:
SPRF — SPI Receiver Full Bit
Reset:
Read:
Write:
•
•
•
•
•
•
•
This clearable, read-only flag is set each time a byte transfers from
the shift register to the receive data register. SPRF generates a CPU
interrupt request if the SPRIE bit in the SPI control register is set also.
During an SPRF CPU interrupt, the CPU clears SPRF by reading the
SPI status and control register with SPRF set and then reading the
SPI data register. Reset clears the SPRF bit.
Figure 16-14. SPI Status and Control Register (SPSCR)
1 = Receive data register full
0 = Receive data register not full
Receive data register full
Failure to clear SPRF bit before next byte is received (overflow
error)
Inconsistent logic level on SS pin (mode fault error)
Transmit data register empty
Enable error interrupts
Enable mode fault error detection
Select master SPI baud rate
Serial Peripheral Interface Module (SPI)
SPRF
Bit 7
0
= Unimplemented
ERRIE
6
0
OVRF
5
0
MODF
4
0
SPTE
3
1
MC68HC908AB32
MODFEN
Freescale Semiconductor
2
0
SPR1
1
0
—
Rev. 1.1
SPR0
Bit 0
0
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