Epson S1C33L03 VI-1INTRODUCTION

VI SDRAM CONTROLLER BLOCK: INTRODUCTION

A-1

VI-1 INTRODUCTION

The SDRAM controller block provides a SDRAM interface that allows direct connection of external SDRAM chips via the BCU.

C33 Internal Memory Block

Internal RAM

(Area 0)

Internal ROM

(Area 10)

C33 DMA Block	C33 SDRAM Controller Block		C33 LCD Controller Block
C33_DMA		C33_SDRAMC		C33_LCDC
(IDMA, HSDMA)		(SDRAM interface)		(LCD panel interface)	Pads

			C33_CORE				PAD
							_	Pads
		(CPU, BCU, ITC, CLG, DBG)					CORE
			C33_SBUS
						C33 Core Block
	C33_ADC			C33_PERI			PAD
(A/D converter)			(Prescaler, 8-bit timer, 16-bit timer,				PERI	Pads
			Clock timer, Serial interface, Ports)
	C33 Analog Block				C33 Peripheral Block

Figure 1.1 SDRAM Controller Block

Note: Internal ROM is not provided in the S1C33L03.

B-VI

Intro

S1C33L03 FUNCTION PART EPSON B-VI-1-1