MC908GZ32VFAER Freescale Semiconductor, MC908GZ32VFAER Datasheet - Page 256
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MC908GZ32VFAER
Manufacturer Part Number
MC908GZ32VFAER
Description
IC MCU 8BIT 32K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GZ60CFJE.pdf
(352 pages)
Specifications of MC908GZ32VFAER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908GZ32VFAER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Serial Peripheral Interface (SPI) Module
CPOL — Clock Polarity Bit
CPHA — Clock Phase Bit
SPWOM — SPI Wired-OR Mode Bit
SPE — SPI Enable
SPTIE— SPI Transmit Interrupt Enable
16.12.2 SPI Status and Control Register
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:
256
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 high between bytes. (See
Figure
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 = 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
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
and
and
16-13.) Reset sets the CPHA bit.
Figure
Figure
Address: $0011
Reset:
Read:
Write:
SPI.) Reset clears the SPE bit.
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
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
Figure 16-15. SPI Status and Control Register (SPSCR)
SPRF
Bit 7
0
= Unimplemented
ERRIE
6
0
OVRF
5
0
MODF
4
0
SPTE
3
1
MODFEN
2
0
SPR1
1
0
Freescale Semiconductor
SPR0
Bit 0
0
Figure
Figure
16.8
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