Motorola RS507-IM2xxxxCTWR Manuel d'utilisateur

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Page 10 of 10 4. Notes

Page 2 of 10 TABLE OF CONTENTS 1. INTRODUCTION ...

Page 3 of 10 Introduction 1.1 Purpose The purpose of this document is to describe the software design of MC919x External power pin co

Page 4 of 10 2. MC9190 External Power Pin 2.1 Background Motorola MC9190 hand held computer supports a series of accessories through its bottom ele

Page 5 of 10 PIN Signal Name Function 1 USB_GND USB 2 USB_D_PLUS USB 3 TXD RS232C 4 RXD RS232C 5 DCD RS232C 6 RTS RS232C 7 DSR RS232C 8 GND Ground, 2

Page 6 of 10 Figure 2 - Block diagram External power pin is controlled by an ASIC and it can be controlled by writing to a hardware

Page 7 of 10 3. Design 3.1 Software Design The new External power driver (EXP1) directly access the H/W and controls external power pin. The existin

Page 8 of 10 3.1.2 State at EXP Open and Close To provide user more control to the power pin, below registry entries can be used to

Page 9 of 10 To use this feature, EXP1 OpenPowerState and ClosePowerState entries has to be set to UNCHANGE (2). Device manager will call EXP