Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 User Manual

8 ELECTRICAL CHARACTERISTICS
A-92 EPSON S1C33L03 PRODUCT PART
DRAM CAS-before-RAS refresh cycle
BCLK
#RAS
#HCAS/
#LCAS
#WE
CBR refresh cycle
C CBR1 C CBR2 C CBR3
t RASD2 t RASD1
t CASD2 t CASD1
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DRAM self-refresh cycle
BCLK
#RAS
#HCAS/
#LCAS
Self-refresh mode setup Self-refresh mode
tCASD2
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Self-refresh mode canceration
tRASD2tRASD1
tCASD1
6-cycle precharge
(Fixed)
SDRAM clock
OSC3
(High-speed clock)
BCLK
(SDRAM clock output)
t C3
t CBD = t CBH/ t C3
t CBD = t CBH/ t C3
BCLK
(SDRAM clock output)
t C3
t CBH
t CBH
(1) #X2SPD = high (CPU clock : SDRAM clock = 1 : 1)
(2) #X2SPD = low (CPU clock : SDRAM clock = 2 : 1)

Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Specifications

General

Brand	Epson
Model	CMOS 32-Bit Single Chip Microcomputer S1C33L03
Category	Computer Hardware
Language	English