MC68HC908LJ12CFU Freescale Semiconductor, MC68HC908LJ12CFU Datasheet - Page 270

• Manufacturer Part Number: MC68HC908LJ12CFU
• Description: IC MCU 12K FLASH 8MHZ 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908LJ12CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: IRSCI, SPI
• Peripherals: LCD, LVD, POR, PWM
• Number Of I /o: 32
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Serial Peripheral Interface Module (SPI)
14.2 Introduction
14.3 Features
Technical Data
270
14.13.3 SPSCK (Serial Clock). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
14.13.4 SS (Slave Select) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
14.13.5 CGND (Clock Ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
14.14 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
14.14.1 SPI Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
14.14.2 SPI Status and Control Register . . . . . . . . . . . . . . . . . . . . 296
14.14.3 SPI Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
This section describes the serial peripheral interface (SPI) module,
which allows full-duplex, synchronous, serial communications with
peripheral devices.
Features of the SPI module include the following:
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Full-duplex operation
Master and slave modes
Double-buffered operation with separate transmit and receive
registers
Four master mode frequencies (maximum = bus frequency ÷ 2)
Maximum slave mode frequency = bus frequency
Serial clock with programmable polarity and phase
Two separately enabled interrupts:
– SPRF (SPI receiver full)
– SPTE (SPI transmitter empty)
Mode fault error flag with CPU interrupt capability
Overflow error flag with CPU interrupt capability
Programmable wired-OR mode
I
I/O (input/output) port bit(s) software configurable with pullup
device(s) if configured as input port bit(s)
2
Serial Peripheral Interface Module (SPI)
C (inter-integrated circuit) compatibility
MC68HC908LJ12
Freescale Semiconductor
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Rev. 2.1