NXP Semiconductors MPC560xB, Руководство пользователя

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MPC560xB Controller Board User’s Guide, Rev. 0
Interface Description
Freescale 10
3.3 MC33937A Interface J801
When using a Freescale 3-phase Low-Voltage Power Stage [ 1 ], the phase top and bottom switches are
controlled by the MC33937A pre-driver. The device is configured by the SPI, see Table 5 .
21 V
DCBUS
ADC0/1_P[7] DC-bus voltage sensing, 0V – 3.3V Analog input
22 I
DCBUS
ADC0/1_P[8] DC-bus current sensing, 0V – 3.3V Analog input
26 TEMP ADC0/1_P[9] Analogue temperature 0V – 3.3V Analog input
29 BRAKE_CONT PA[4] DC-bus brake control Digital output
30 SERIAL PA[12] Serial interface Digital
bidirectional
31 PFC EMIOS1_CH[0] Power factor correction PWM Digital output
32 PFCEN PA[13] Power factor correction enable Digital output
33 PFCZC EMIOS1_CH[1] Power factor correction zero-cross Digital input
34 ZCA EMIOS0_CH[12] Phase A Back-EMF zero-cross Digital input
35 ZCB EMIOS0_CH[14] Phase B Back-EMF zero-cross Digital input
36 ZCC EMIOS0_CH[15] Phase C Back-EMF zero-cross Digital input
38 Back-EMF_A ADC0/1_P[4] Phase A Back-EMF voltage sensing Analog input
39 Back-EMF_B ADC0/1_P[5] Phase B Back-EMF voltage sensing Analog input
40 Back-EMF_C ADC0/1_P[6] Phase C Back-EMF voltage sensing Analog input
Table 5. MC33937A Signal Description
Interface Pin Signal Name MCU Signal Description Direction
1 NC — Not connected. —
2 NC — Not connected —
3 MC33937_EN PA[14] Device enable Digital output
4 MC33937_OC PF[11] Overcurrent Digital input
5 MC33937_/RST PF[10] Reset Digital output
6 MC33937_INT PF[13] Interrupt Digital input
7 MC33937_SOUT DSPI[4]_SIN SPI Input data Digital input
8 MC33937_SCK DSPI[4]_SCLK SPI clock Digital output
9 MC33937_CS DSPI[4]_CS0 Chip-select Digital output
10 MC33937_SIN DSPI[4]_SOUT SPI output data Digital output
Table 4. UNI-3 Signal Description
Interface Pin Signal Name MCU Signal Description Direction