4 PERIPHERAL CIRCUITS

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 converter10-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

A-16

EPSON

S1C33L03 PRODUCT PART