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4 PERIPHERAL CIRCUITS
A-16 EPSON S1C33L03 PRODUCT PART
4 Peripheral Circuits
This chapter lists the built-in peripheral circuits and the I/O memory map. For details of the circuits, refer to the
"S1C33L03 FUNCTION PART".
4.1 List of Peripheral Circuits
The S1C33L03 consists of the C33 Core Block, C33 SDRAM Controller Block, C33 Peripheral Block, C33 DMA
Block, C33 Analog Block, and C33 LCD Controller Block.
C33 Core Block
CPU S1C33000 32-bit RISC type CPU
BCU (Bus Control Unit) 24-bit external address bus and 16-bit data bus
All the BCU functions can be used.
ITC (Interrupt Controller) 39 types of interrupts are available.
CLG (Clock Generator) OSC3 oscillation circuit (33 MHz Max.), PLL and OSC1 oscillation circuit
(32.768 kHz Typ.) built-in
DBG (Debug Unit) Functional block for debugging with the S5U1C33000H (In-Circuit Debugger
for S1C33 Family)
C33 SDRAM Controller Block
SDRAM interface Up to two 128M-bit SDRAMs or a 256M-bit SDRAM (32MB) can be
connected directly.
C33 Peripheral Block
Prescaler Programmable clock generator for peripheral circuits
8-bit programmable timer 6 channels with clock output function
16-bit programmable timer 6 channels with event counter, clock output and watchdog timer functions
Serial interface 4 channels (asynchronous mode, clock synchronous mode and IrDA are
selectable.)
Input and I/O ports 13 bits of input ports and 29 bits of I/O ports (used for peripheral I/O)
Clock timer 1 channel with alarm function
C33 DMA Block
HSDMA (High-Speed DMA) 4 channels
IDMA (Intelligent DMA) 128 channels
C33 Analog Block
A/D converter 10-bit A/D converter with 8 input channels
C33 LCD Controller Block
LCD controller 4 or 8-bit monochrome/color LCD interface
2, 4 or 16-level (1, 2 or 4 bit-per-pixel) gray-scale display
2, 4, 16 or 256-level (1, 2, 4 or 8 bit-per-pixel) color display
Resolution examples: 640 × 480 pixels with 1bpp color depth
640 × 240 pixels with 2bpp color depth
320 × 240 pixels with 4bpp color depth
240 × 160 pixels with 8bpp color depth