Sanyo ECR-238 - Page 19

13. DEVICE SPECIFICATION
IC1 (uPD75217CW)
The uPD75217CW is a general purpose single chip 4-bit microcomputer fabricated with CMOS technology. It
contains 195,584 bit ROM, 3072 bit RAM, 55 I/O ports, real time clock and display driver. The uPD75217CW is
packaged in a type of 64 pin shrink plastic DIP package.
DC CHARACTERISTICS (Ta = -40 ~ +85°C, VDD = 2.7 ~ 6.0V)
[Parameter [| Symbol Condition | Min. | Typ. | Max __| Unit |
Except Port
Vi__{0, 1,6, RES, X1,x2,xT1_ | 0 | | 03VDD | V_|
utput Voltage (High VDD-0.5 | | V
[Output Voltage (Low) [ VOL [VDD=5V,IOL=400uA_ | |
ILIH [Except X1, x2, xT! | |
input Leak Current [ILiL_ [Except X1,X2, xT! | |
= eae
a aa
es ee
oOjO|S
Output Leak CurrentH | ILOH |
ILOL |Except Display out,
Display output
S
ee ee
:
Supply Current
IDD3
eo) —
.
BASIC
INTERVAL b<)
TIMER
)
COUNTER (15) ‘
TI0/P130 TIMER/EVENT
COUNTER
£0
INTTO
TIMER/PULSE
ppoo GENERATOR ‘_)
INTTPG rom fF fee
ns PROGRAM
SI/P03O MEMORY DECODE
$0/P020 SERIAL ro) 24448 8BITS AND : ;
i INTERFACE CONTRO; DATA MEMORY
SCK/PO1O . 768 x 4BITS
INTO/P100
INTI/PLLO
: INTERRUPT
INT2/P120 CONTROL
N
INT4/P00O ad
INTW
~19-
SYSTEM CLOCK :
WATCH CLOCK GENERATOR STAND BY CPUSCLOCK,
TIMER DIVIDER CONTROL .
SUB
O © O 0 O
BUZ/P23 XT1 XT2 X12 Voo Vss RESET
PIN ARRANGEMENT
$30 © Voo
S20 OS4
S10 OS5
soo © S6
POO/INT4 © O S7
P01/SCK O © $8
P02/S0 0 OS9
P03/S1 0 O Vere
P10/INTO
O
©
Vioap
PIL/INTLO O TI5/S10
PI2/INT2 © OT14/S1}
P13/TI0 0 O T13/S12/PHO
P200 O 1T12/S13/PH1
P2210 O 711/S14/PH2
P220 © T10/S15/PH3
P23/BUZ © OT9
P30 0 OT8
P31 0 OT7
P32 0 OT6
P330 OTS
P60 0 OT4
P610 OT3
P62 0 OT2
P63 O OT!
P40 0 © TO
P4l oO ORESET
P420 © P53
P43 0 O P52
PPOO O P51
X10 © P50
X29 OXT2
VssO OXT1
on ee
one ee
CO KT) vm
(roms KE) rem
Crore KE) v0
@ in core
= ne eon
[io ) T0-T9
T10/S15/PH3-
T13/S12/PHO
(|
[ 2) ti/sin, 715/810
| 10») so-so
O Vins
O Vioaw
INTKS