PF588-05
E0C6251
4-bit Single Chip Microcomputer
● Core CPU Architecture
● SVD Circuit
● R/F Converter for Temperature Measuring
● High Quality Display LCD Driver
■ DESCRIPTION
The E0C6251 is a single-chip microcomputer made up of the 4-bit core CPU E0C6200A, ROM, RAM, LCD
driver, input ports, output ports, I/O ports, clock timer and A/D converter (R/F conversion type). Because of its
low-voltage operation and low power consumption, this series is ideal for a wide range of applications, and is
especially suitable for battery-driven systems.
■ FEATURES
● CMOS LSI 4-bit parallel processing
● Clock .....................................................32.768kHz (Typ.) (Crystal or CR oscillation)
● Instruction set........................................100 instructions
● Instruction execution time .....................153µsec, 214µsec, 366µsec (depending on instruction)
● ROM capacity .......................................1,024 × 12 bits
● RAM capacity ........................................80 × 4 bits
● Input port ...............................................4 bits (pull-down resistors are available by mask option)
● Output port ............................................4 bits (common, BZ, BZ, FOUT and LAMP ports are available by
mask option)
● I/O port ..................................................4 bits
● Large capacity output port ....................2 bits
● Buzzer output port ................................2 bits
● Clock output port...................................1 bit
● A/D converter ........................................R/F (resistance/frequency) conversion type, 1ch.
● LCD driver .............................................26 segments × 2/3/4 commons (Power regulator built-in. DC output
available. Selected duty by software setting)
● R/F converter circuit..............................Temperature measurement is possible with the R/F converter in
which a external thermistor. Range of temperature measurement
and accuracy of temperature measurement changed by thermistor.
● Built-in supply voltage detection
(SVD) circuit..........................................1ch.
● Timer .....................................................Clock timer : 1ch.
● Interrupts ...............................................External
: Input interrupt
: Timer interrupt
R/F converter interrupt
1 line
1 line
1 line
Internal
● Supply voltage ......................................1.5V (0.9 to 2.0V min. 1.0V: Measurement temperature mode)
3.0V (1.8 to 3.5V)
● Current consumption ............................HALT mode
: 1.0µA (Typ.)
: 2.5µA (Typ.)
OPERATING mode : 2.5µA (Typ.)
: 5.0µA (Typ.)
● Package ................................................QFP6-60pin (ceramic), QFP6-64pin (plastic)
Die form
■ LINE UP
Model
Operating voltage
0.9V to 2.0V
Clock
E0C62L51
E0C6251
32.768kHz (Crystal or CR oscillation)
32.768kHz (Crystal or CR oscillation)
1.8V to 3.5V
SEIKO EPSON CORPORATION
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