Freescale. MCZ33905D5EK SBC Gen2 with CAN High Speed and LIN Interface. Circuit Analysis of Power Management Unit, CAN Interface, and LIN Block

Transcription

1 Freescale MCZ33905D5EK SBC Gen2 with CAN High Speed and LIN Interface Circuit Analysis of Power Management Unit, CAN Interface, and LIN Block 3685 Richmond Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel: Fax:

2 Some of the information in this report may be covered by patents, mask and/or copyright protection. This report should not be taken as an inducement to infringe on these rights Chipworks Inc. This report is provided exclusively for the use of the purchasing organization. It can be freely copied and distributed within the purchasing organization, conditional upon the accompanying Chipworks accreditation remaining attached. Distribution of the entire report outside of the purchasing organization is strictly forbidden. The use of portions of the document for the support of the purchasing organization's corporate interest (e.g., licensing or marketing activities) is permitted, as defined by the fair use provisions of the copyright act. Accreditation to Chipworks must be attached to any portion of the reproduced information. CAR CYJC Revision 1.0 Published: July 15, 2011

3 Overview Introduction Brief Design Overview Component Descriptions Device Summary Figures To view, please click on the appropriate bookmark in the panel on the left Package Markings Package X-Ray Pin Configuration Die Markings Die Photograph Annotated Die Photograph Die Architecture Schematics Top Level Diagram TX Data Path TXD Input Buffer OR Gate TXD Pre-Driver Control Clock Generator TXD HS and LS Driver Pre-Driver Cell CANL Reference Generator Enable Buffer CANH Reference Circuit High-Side Low-Side Switch High-Side Driver High-Side Driver High-Side Driver Control Low-Side Driver Low-Side Driver TXD Detector

4 3.0.0 RXD Data Path RXD Driver with Controlled Slew Rate RXD Buffer RXD Comparator RX Data Path and Controls Differential Amplifier Enable Buffer CANH CANL Main Receiver Op-Amp Buffer CANH CANL Receiver RXD Switches CANH CANL Receiver RXD Shutdown Control RX Reference Buffer Wakeup Receiver Wakeup Receiver Current Voltage Reference Op-Amp Wakeup Receiver Level Detector Op-Amp Op-Amp Level Detector Logic Buffers Current Sources TX RX Logic Controller Logic Controller Clock Divider TXD Controller TXD Controller Logic Controller Clock Buffers Clock Dividers D-FF1

5 6.4.2 D-FF D-FF D-FF D-FF Clock Data Control V Auxiliary Regulator Auxiliary Regulator Amplifier Undervoltage Detector Overcurrent Detector Auxiliary Regulator Driver VDD Regulator Schmitt Trigger REFG1 Supply Monitor VDD Regulator Interface VDD Regulator Control Delay Bias Generator Schmitt Trigger Internal VDD Regulator Output Bias Generator VDD Regulator Bias Current Generator VDD Regulator Control Regulator Shutdown Driver Signal Generator Driver Selector VDD Monitor Internal Supply Generator Analog Monitoring Supply Monitor Bias Supply Monitor Supply Monitor Supply Monitor 3

6 CAN Regulator ESD Protection V CAN Regulator Driver VSUP2 Load Switch Load Switch Bias Analog Multiplexer MUX-OUT Buffer MUX-OUT Driver MUX-OUT Driver Die Temperature Sensor VREF 2.5 V Generator Voltage Divider Voltage Divider Voltage Divider Voltage Divider VDDI Copy Voltage Divider VREGI Monitor Resistor Bias Analog MUX Switch Control Attenuation Selection SIN Control MISC Switch Control Bias and Switch Control Battery Threshold Detector Threshold Detector Comparator Threshold Detector Comparator Threshold Reference Generator I/O Driver Level Shifter Level Shifter Undervoltage Detector Fail Safe Controller SAFE PAD Fail Safe Control Enable Shutdown Control

7 Internal Supply Reference Generator Bias Generator Level Shifter Internal Supply Generator Bandgap Reference BG1 Voltage Regulator Main Bias Generator Reference Generator Bias Generator Bandgap Reference Internal Supply Generator Internal Supply Monitor Threshold Detector Comparator BG2 Voltage Regulator BG2 Voltage Regulator BG2 Voltage Regulator Current Mirror BG2VREG2 Supply Monitor ESD Protection Unused Current Source Thermal Shutdown LIN TERM LINTERM LINTERM Reset Buffer Schmitt Trigger ESD Protection CS Buffer MOSI Buffer SCLK Buffer

8 CANH PAD CANL PAD Pulse Generator Capacitors Cell Library Signal Cross-Reference List About Chipworks

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