System Overview
8.Interrupt Controller (INTC)
-FIQ or IRQ mode operation selectable
-Programmable Interrupt Enable/Disable
9.USB interface
-Version 1.1
-Four 128x8 FIFOs for Data transmission.
-Interrupt based input / output interface, no DMA based interface support
-USB wrapper for AHB interface
-AHB Bus interface
10.Serial port interface (UART)
-Programmable Baud Rate
-2 channel Independent Full Duplex UART
-Polling, Interrupt based operation support
-Max 16 byte FIFO to handle SIR Bit Rate Speed
11.Printer video controller for LBP engines (PVC)
-80MHz video rate (Hummingbird 2 : letter - 21 ppm, A4 : 20ppm)
-video data transmitted through LSU Controller
12.Laser Scan Unit (LSU) Controller
-Laser Scan Unit (LSU) Interface for Laser Diode turn on/off timing control
-Sample & hold period generation.
-Auto Power Control for Laser Diode with PID control method using internal 10 bits DAC.
-LSU clock generation
-Brushless DC motor control clock generation
13.ADC Interface
-4 channels ADC interface for analog devices such as temperature sensor.
-Programmable ADC Clock Cycle.
-Automatic or Manual AD Conversion support.
-4 Special Function Registers for monitoring the ADC results for 4 channels.
14.PWM Controller
-4 PWM output ports - THV, BIAS, FAN control and AC ELECTRIFICATION
15.Bi-polar Stepper Motor controller (MOTORC)
-Phase generation for the purpose of paper feeding
-fixed hardware phase and current table
-programmable phase and interval time
-Interrupt based phase change operation
16.Timer
-3 Independent Programmable Timers
-Watch Dog Timer for S/W Trap
17.Miscellaneous
-Mux controlled 24 GPI, 28 GPO & 5 GPIO ports .
-Mutual exclusive GPO/GPIO ports control by the port control enable register
-Programmable Bus Master Priority.
-Project code added.
Samsung Electronics
