PF832-03
E0C88365
8-bit Single Chip Microcomputer
ge
olta
V
ide ration
W e
ts
Op oduc
Pr
q
Original Architecture Core CPU
q
High Speed Operation in Low Voltage (2.5MHz/2.2V)
q
Dot Matrix LCD Driver (18com
×
80seg)
q
Serial Interface
s
DESCRIPTION
The E0C88365 is a CMOS 8-bit microcomputer composed of a CMOS 8-bit core CPU E0C88, ROM, RAM, dot
matrix LCD driver, serial interface and other circuits. The E0C88365 features a high speed operation with a low
voltage, and is most suitable for various application equipment such as pagers and electronic organizers.
s
FEATURES
q
CMOS LSI 8-bit parallel processing
q
Twin clock ...........................................OSC1: 32.768kHz (Typ.) or 153.6kHz (Max.)
OSC3: 2.5MHz (Max.)
q
Special instruction set ......................... 608 types (Multiplicatin/Division)
q
Instruction execution time ................... 0.8µsec (Min.)
q
ROM capacity ..................................... 64K
×
8 bits
q
RAM capacity ...................................... 3K
×
8 bits (Work) 4,608 bits (Display)
q
Addressing .......................................... 512K-byte (19 bits)
Address bus : 19-bit ROM addressing, 19-bit RAM addressing
Data bus
: 8 bits
CE signal
: 4 bits
WR signal
: 1 bit
RD signal
: 1 bit
(
Address bus, Data bus, CE, WR, RD can be used as general
purpose I/O ports
)
q
I/O port ................................................Input only : 10 bits
(BREQ and EVIN are available by software)
Output only : 17 bits
(BZ, FOUT, TOUT and BACK are available by software)
Bidirectional I/O : 8 bits
(SRDY, SCLK, SIN and SOUT are available by
software)
q
Serial interface ....................................1 channel
(Clock synchronous or Asynchronous can be selected by software)
q
LCD driver ...........................................Dot matrix 18 commons
×
80 segments
q
Timer ................................................... 8-bit programmable timer/event counter : 2 channels
(16-bit 1 channel timer is available)
Time base counter
: 1 channel
Stopwatch timer
: 1 channel
q
Sound generator ................................. 8 levels, with envelope, volume adjustment and 1 shot functions
q
Watchdog timer ...................................Generates NMI
q
Supply voltage detection (SVD) circuit .. 16 levels
q
Analog comparator.............................. 2 channels built-in
(Bidirectional I/O port is used as the input port)
q
Interrupt ...............................................External : 2 systems (3 types)
Internal : 3 systems (9 types)
Serial I/F : 1 system (3 types)
q
Supply voltage ....................................2.2V to 5.5V (Max. 2.5MHz)
q
Current consumption .......................... SLEEP mode
300nA (3V)
HALT mode
2.0µA (32.768kHz/3V)
RUN mode
14.0µA (32.768kHz/3V)
1.5mA (2.5MHz/3V)
q
Package .............................................. Die form (188 pads)
SEIKO EPSON CORPORATION
1
SEIKO [ SEIKO EPSON CORPORATION ]
