E0C88316
● Watchdog timer .....................................Built-in
● Supply voltage detection (SVD) circuit ....16 levels (0.2V steps from 1.8V to 5.5V) can be detected
● Analog comparator ...............................2 channels built-in (Bidirectional I/O port is used as the input port)
● Interrupt.................................................External : Input interrupt
2 systems (3 types)
3 systems (9 types)
Internal : Timer interrupt
Serial interface interrupt 1 system (3 types)
● Supply voltage ......................................1.8V to 5.5V
● Current consumption ............................SLEEP mode 300nA (3V)
(Low power mode)
HALT mode
RUN mode
2.0µA (32.768kHz/3V) (Low power mode)
14.0µA (32.768kHz/3V) (Low power mode)
2.0mA (4.2MHz/3V)
(Normal mode)
● Package ................................................QFP8-160pin or Die form
■ BLOCK DIAGRAM
Core CPU E0C88
OSC1, 2
Oscillator
System Controller
Reset/Test
Interrupt Controller
Input Port
OSC3, 4
MCU/MPU
BREQ (K11)
BACK (R51)
K00–K07
K10 (EVIN)
K11 (BREQ)
RESET
TEST
I/O Port
P10 (SIN)
P11 (SOUT)
P12 (SCLK)
P13 (SRDY)
Watchdog Timer
Serial Interface
P14, P15 (CMPP0, CMPM0)
P16, P17 (CMPP1, CMPM1)
Analog
Comparator
Programmable Timer
/Event Counter
EVIN (K10)
P00–P07 (D0–D7)
External
Memory
Interface
Clock Timer
R00–R07, R10–R17, R20–R22 (A0–A7, A8–A15, A16–A18)
R23, R24 (RD, WR)
R30–R33 (CE0–CE3)
R25, R26 (CL, FR)
R27 (TOUT)
Stopwatch Timer
Sound Generator
Output Port
R34 (FOUT)
V
DD
SS
D1
C1–VC5
CA–CE
R35–R37
V
R50 (BZ)
Power Generator
V
R51 (BACK)
V
SEG0–SEG50
COM16–COM31 (SEG66–SEG51)
COM0–COM15
LCD Driver
Supply Voltage Detector
RAM
ROM
2K byte
16K byte
2
SEIKO [ SEIKO EPSON CORPORATION ]
