1 OUTLINE

 

 

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:

VDD

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 ∝ 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.

A-2

EPSON

S1C33210 PRODUCT PART