Service manual

modules
8. Low-Power mode control
• DRAM Controller
1. Support CAS-before-RAS refresh cycles and self-refresh mode DRAM
2. Support 8 bit / 16 bit port DRAM
3. EDO or Automatic Fast Page Mode for LCDC access
4. Programmable refresh rate
5. Support up to 2 banks of DRAM/EDO DRAM
6. Programmable column address size
• UART
1. Support IrDA physical layer protocol up to 115.2kbps
2. 8 Bytes FIFO on Tx and 12 Bytes FIFO on Rx
• Serial Peripheral Interface Port
1. 16 bit programmable SPI to support external peripherals
2. Master mode support
• 16-Bit General Purpose Counter / Timer
1. Automatic interrupt generation
2. 60-ns resolution at 16.58-MHz system clock
3. Timer Input/Output pin
• Real Time Clock / Sampling Timer
1. Separate power supply for the RTC
2. One programmable alarm
3. Capable to count up to 512 days
4. Sampling Timer with selectable frequency (4Hz, 8Hz, 16Hz, 32Hz,
64Hz, 256Hz, 512Hz, 1kHz). Generate interrupt for digitizer sampling,
or keyboard debouncing.
• LCD Controller
1. Software programmable screen size ( up to 640*512 ) to support single
(Non-Split) monochrome/ color STN panels
2. Capable of direct driving popular LCD drivers/modules from Motorola,
Sharp, Hitachi, Toshiba etc.
3. Support up to 4 grey levels out of 16 palettes.
4. Utilize system memory as display memory
5. LCD contrast control using 8-bit PWM
• Pulse Width Modulation (PWM) Module
1. 8 bit resolution
2. 5 Byte FIFO provide more flexibility on performance
3. Sound and melody generation
• Build-in Emulation Function
1. Dedicated memory space for Emulator Debug Monitor with Chip Select
2. Dedicated interrupt (Interrupt Level 7) for ICE
3. One address signal comparator and one control signal comparator with