S1C88848 Datasheet, PDF (4/4 Pages) Epson Company – 8-bit Single Chip Microcomputer

S1C88848
■ BASIC EXTERNAL CONNECTION DIAGRAM
• When the piezoelectric buzzer is driven with single terminal and LCD panel is used by 1/5 bias (VC2 standard)
LCD panel 51 x 32
VSS
∗2
CG1
∗1
OSC1
X'tal1
OSC2
∗4
CG2
∗3
OSC3
X'tal2 or
Ceramic
Rf
CD2 _C1
C2
C3
C4
C5
C6
OSC4
VD1
VC1
VC2
VC3
VC4
VC5
CA
C7
CB
C8
CC
CD
C9
CE
N.C. CF
N.C. CG
RESET
Cres
-
3V
+ ^CP
VDD
TEST
Piezo
S1C88848
[The potential of the substrate
(back of the chip) is VSS.]
K00
K01
K02
K03
K04
K05
K06
K07
K10
K11
R26 (TOUT/REM)
R27 (TOUT)
R34 (FOUT)
R51 (BZ)
P10 (SIN)
P11 (SOUT)
P12 (SCLK)
P13 (SRDY)
P14
P15
P16
P17
Recommended values for external parts
Symbol
Name
Recommended value
X'tal1 Crystal oscillator
32.768 kHz,
CI (Max.) = 35 kΩ
CG1 Trimmer capacitor
5–25 pF
RCR1 Resistor for CR oscillation 1 MΩ (50 kHz)
X'tal2 Crystal oscillator
4.9152 MHz
Ceramic Ceramic oscillator
4 MHz
Rf
Feedback resistor
1 MΩ
CG2 Gate capacitor
15 pF (Crystal oscillator)
30 pF (Ceramic oscillator)
CD2 Drain capacitor
15 pF (Crystal oscillator)
30 pF (Ceramic oscillator)
RCR3 Resistor for CR oscillation 50 kΩ (2 MHz)
C1
Capacitor between VSS and VD1 0.1 µF
C2
Capacitor between VSS and VC1 0.1 µF
C3
Capacitor between VSS and VC2 0.1 µF
C4
Capacitor between VSS and VC3 0.1 µF
C5
Capacitor between VSS and VC4 0.1 µF
C6
Capacitor between VSS and VC5 0.1 µF
C7–C9 Booster/reducer capacitors 0.1 µF
CP
Capacitor for power supply 3.3 µF
Cres Capacitor for RESET terminal 0.47 µF
∗ The connection diagram shown above is an example of when mask option settings are as follows:
LCD power source: Internal power supply (1/5 bias), RESET terminal: With pull-up resistor,
R51 specification: General-purpose output port
∗1 OSC1 = Crystal oscillation, ∗2 OSC1 = CR oscillation, ∗3 OSC3 = Crystal/Ceramic oscillation, ∗4 OSC3 = CR oscillation
Coil
Note: The above table is simply an example, and is not guaranteed to work.
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© Seiko Epson Corporation 2004, All right reserved.
SEIKO EPSON CORPORATION
ELECTRONIC DEVICES MARKETING & SALES DIV.
ED International Sales Dept.
421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN
Phone: [phone] Fax: [phone]
■ EPSON Electronic Devices Website
http://www.epsondevice.com
Document code: 405125300
Issue June, 2004
Printed in Japan L