MC68HC908GR16VFJ Freescale Semiconductor, MC68HC908GR16VFJ Datasheet - Page 212
MC68HC908GR16VFJ
Manufacturer Part Number
MC68HC908GR16VFJ
Description
IC MCU 16K FLASH 8MHZ SPI 32LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GR16CFJE.pdf
(276 pages)
Specifications of MC68HC908GR16VFJ
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
LIN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Quantity
Price
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Part Number:
MC68HC908GR16VFJ
Manufacturer:
Freescale Semiconductor
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Serial Peripheral Interface (SPI) Module
SPRIE — SPI Receiver Interrupt Enable Bit
SPMSTR — SPI Master Bit
CPOL — Clock Polarity Bit
CPHA — Clock Phase Bit
SPWOM — SPI Wired-OR Mode Bit
SPE — SPI Enable
SPTIE— SPI Transmit Interrupt Enable
212
This read/write bit enables CPU interrupt requests generated by the SPRF bit. The SPRF bit is set
when a byte transfers from the shift register to the receive data register. Reset clears the SPRIE bit.
This read/write bit selects master mode operation or slave mode operation. Reset sets the SPMSTR
bit.
This read/write bit determines the logic state of the SPSCK pin between transmissions. (See
16-5
CPOL values. Reset clears the CPOL bit.
This read/write bit controls the timing relationship between the serial clock and SPI data. (See
16-5
CPHA values. When CPHA = 0, the SS pin of the slave SPI module must be set to 1 between bytes.
(See
This read/write bit disables the pullup devices on pins SPSCK, MOSI, and MISO so that those pins
become open-drain outputs.
This read/write bit enables the SPI module. Clearing SPE causes a partial reset of the SPI. (See
Resetting the
This read/write bit enables CPU interrupt requests generated by the SPTE bit. SPTE is set when a byte
transfers from the transmit data register to the shift register. Reset clears the SPTIE bit.
1 = SPRF CPU interrupt requests enabled
0 = SPRF CPU interrupt requests disabled
1 = Master mode
0 = Slave mode
1 = Wired-OR SPSCK, MOSI, and MISO pins
0 = Normal push-pull SPSCK, MOSI, and MISO pins
1 = SPI module enabled
0 = SPI module disabled
1 = SPTE CPU interrupt requests enabled
0 = SPTE CPU interrupt requests disabled
and
and
Figure
Figure
Figure
Address: $0010
16-13.) Reset sets the CPHA bit.
Reset:
Read:
Write:
SPI.) Reset clears the SPE bit.
16-7.) To transmit data between SPI modules, the SPI modules must have identical
16-7.) To transmit data between SPI modules, the SPI modules must have identical
SPRIE
Bit 7
R
0
Figure 16-14. SPI Control Register (SPCR)
= Reserved
R
6
0
MC68HC908GR16 Data Sheet, Rev. 5.0
SPMSTR
5
1
CPOL
4
0
CPHA
3
1
= Unimplemented
SPWOM
2
0
SPE
1
0
Freescale Semiconductor
SPTIE
Bit 0
0
Figure
Figure
16.9
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