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Epson S1C33210 User Manual

Page 16

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1 OUTLINE

A-2

EPSON

S1C33210 PRODUCT PART

General-purpose input

Shared with the I/O pins for internal peripheral circuits

and output ports:

Input port

7 bits

I/O port

27 bits

Mobile access interfaces

One PHS, PDC, and HDLC channel each

External bus interface

BCU (bus control unit) built-in

• 24-bit address bus (internal 28-bit processing)
• 16-bit data bus

Data size is selectable from 8 bits and 16 bits in each area.

• Little-endian memory access; big-endian may be set in each area.
• Memory mapped I/O
• Chip enable and wait control circuits built-in
• DRAM direct interface function built-in

Supports fast page mode and EDO page mode.
Supports self-refresh and CAS-before RAS refresh.

• Supports burst ROM.

Operating conditions and power consumption

Operating voltage:

V

DD

2.7 V to 3.6 V

Operating clock frequency: CPU

50 MHz max.
25 MHz max. (Mobile access interfaces)

Operating temperature:

-40 to 85

°

C

Power consumption:

During SLEEP

4

µ

W typ.

During HALT

122 mW typ.
(3.3 V, 50 MHz)

During execution

238 mW typ.
(3.3 V, 50 MHz)

Note: • The values of power consumption during execution were measured when a test

program that consisted of 55% load instructions, 23% arithmetic operation
instructions, 1% mac instruction, 12% branch instructions and 9% ext
instruction was being continuously executed.

Supply form

QFP15-128 pin plastic package.