MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 297

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MC912DG128ACPV

Manufacturer Part Number
MC912DG128ACPV
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128ACPV

Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
69
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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SP0SR — SPI Status Register
SP0BR — SPI Baud Rate Register
MC68HC912DT128A — Rev 4.0
MOTOROLA
RESET:
RESET:
SPIF
Bit 7
Bit 7
0
0
0
WCOL
6
0
0
6
0
Read anytime. Write anytime.
At reset, E Clock divided by 2 is selected.
SPR[2:0] — SPI Clock (SCK) Rate Select Bits
Read anytime. Write has no meaning or effect.
SPIF — SPI Interrupt Request
SPR2
These bits are used to specify the SPI clock rate.
SPIF is set after the eighth SCK cycle in a data transfer and it is
cleared by reading the SP0SR register (with SPIF set) followed by an
access (read or write) to the SPI data register.
Freescale Semiconductor, Inc.
0
0
0
0
1
1
1
1
For More Information On This Product,
5
0
0
5
0
0
SPR1
1
0
0
1
0
0
1
1
Go to: www.freescale.com
Multiple Serial Interface
Table 16-4. SPI Clock Rate Selection
MODF
SPR0
4
0
0
4
0
0
1
0
1
0
1
0
1
E Clock
Divisor
3
0
0
3
0
0
128
256
16
32
64
2
4
8
SPR2
2
0
2
0
0
E Clock = 4 MHz
Frequency at
62.5 kHz
31.3 kHz
15.6 kHz
2.0 MHz
1.0 MHz
500 kHz
250 kHz
125 kHz
Serial Peripheral Interface (SPI)
SPR1
1
0
1
0
0
Multiple Serial Interface
SPR0
Bit 0
Bit 0
E Clock = 8 MHz
0
0
0
Frequency at
Technical Data
62.5 KHz
31.3 KHz
500 KHz
250 KHz
125 KHz
4.0 MHz
2.0 MHz
1.0 MHz
$00D3
$00D2
297

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