Operation Manual

A-4 POWERSCAN D8590 User’s Manual
Electrical Specifications
Appendix B — Electrical Specifications
Power Requirements: 5 VDC (mA)
Typical: 408mA; Peak: 500mA, Idle: 285mA
PIN 1 VIN- Input Voltage to the voltage regulators/battery charging IC
PIN 2 RS-232_TX - RS-232 level serial transmit signal
PIN 3 RS-232_RX - RS-232 level serial receive signal
PIN 4
PS/2_DATA_UART_RX_USB_DP - PS/2 clk to host/ UART transmit signal/ USB
D
ata plus signal
PIN 5
PS/2_DATA_UART_RX_USB_DM - PS/2 data to host or keyboard/ UART receive
signal/ USB Data
minus signal
PIN 6 PS/2_CLK_KB - PS/2 clock signal to the keyboard
PIN 7 ~TRIG - trigger from the handle
PIN 8 GND - signal ground
Shield Shield Ground