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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: 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 µW 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.