Chapter 1 Device Overview MC9S12ZVHY/MC9S12ZVHL Families
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
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Compliant with the SAE J2602-2 LIN standard for 1N39G
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Standby mode with glitch-filtered wake-up
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Slew rate selection optimized for the baud rates:
— 10 kBit/s
— 20 kBit/s
— Fast Mode (up to 250 kBit/s)
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Selectable pull-up of 34 k or 330 k (in Shutdown Mode, 330 k only)
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Current limitation on LIN Bus pin rising edges
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Over-current protection with transmitter shutdown
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LIN TxD-dominant timeout feature monitoring the LPTxD signal for 1N39G
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Automatic transmitter shutdown in case of an over-current or TxD-dominant timeout.
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Fulfills the OEM “Hardware Requirements for LIN (CAN and FlexRay) Interfaces in Automotive
Applications” v1.3 for 1N39G
1.5.13
Stepper Motor Controller (MC)
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PWM motor controller (MC) with up to 16 high current outputs
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Each PWM channel switchable between two drivers in an H-bridge configuration
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Left, right and center aligned outputs
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Support for sine and cosine drive
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Dithering
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Output slew rate control
1.5.14
Stepper Stall Detect (SSD)
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Up to two SSD
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Programmable Full Step State
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Programmable Integration polarity
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Blanking (recirculation) state
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16-bit Integration Accumulator register
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16-Bit Modulus Down Counter with interrupt
1.5.15
Multi-Scalable Controller Area Network (MSCAN)
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Implementation of the CAN protocol — Version 2.0A/B
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Five receive buffers with FIFO storage scheme
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Three transmit buffers with internal prioritization using a “local priority” concept
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Flexible maskable identifier filter supports two full-size (32-bit) extended identifier filters, or four
16-bit filters, or either 8-bit filters
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Programmable wake-up functionality with integrated low-pass filter
