E0C88409
● Watchdog timer .....................................Generates NMI
● Sound generator ...................................8 levels, with envelope, volume adjustment and 1 shot functions
● Interrupt.................................................External : 2 systems
Internal : 4 systems
● Supply voltage ......................................1.8V to 5.5V
● Current consumption ............................SLEEP mode 500nA (3V)
HALT mode
RUN mode
3µA (32.768kHz/3V)
15µA (32.768kHz/3V)
2mA (8.2MHz/3.5V)
● Package ................................................Die form or QFP15-100pin
■ BLOCK DIAGRAM
VDD
VSS
Core CPU E0C88
OSC1, OSC3
OSC2, OSC4
Oscillator
Prescaler
Interrupt Controller
(FOUT3)
(FOUT1)
(SIN/IRI, SOUT/IRO)
(SCLK, SRDY)
Serial Interface
(Synchronous/Asynchronous/IrDA)
LCDEN, DOFF
XSCL, LP, YD, FR
SD0–SD7
VD1
Voltage Regulator
System Controller
Reset/Test
LCD Controller
MCU/MPU
Supply Voltage Detector
(A0–A21)
(D0–D7)
(RD, WR, CE0–CE2)
RESET
TEST
External Memory
Interface
(TOUT0)
(TOUT1)
K00–K07
K10–K13
16-bit Programmable
Timer
Input Port
R00–R07
R10–R17
R20–R27
R30–R32
R40–R42
8-bit Programmable
Timer
Output Port
Clock Timer
Watchdog Timer
P00–P07
P10–P17
P20–P23
P30–P37
I/O Port
(AD0–AD7)
AVDD
AGND
AVSS
AVREF
(BZ)
Sound Generator
Touch Panel Controller
A/D Converter
D/A Converter
ROM 8K-byte
(BYH, BYL)
(BXH, BXL)
(DA0, DA1)
RAM 3.75K-byte
(Data RAM, Display RAM)
The terminals that are shown in ( ) are shared with Pxx or Rxx terminals.
2
SEIKO [ SEIKO EPSON CORPORATION ]
