sh66l10a SinoWealth Micro-Electronics Corp. Ltd, sh66l10a Datasheet - Page 8
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sh66l10a
Manufacturer Part Number
sh66l10a
Description
2k 4-bit Micro-controller With Lcd Driver
Manufacturer
SinoWealth Micro-Electronics Corp. Ltd
Datasheet
1.SH66L10A.pdf
(35 pages)
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5. System Clock and Oscillator
The oscillator generates the basic clock pulses that provide the system clock to supply CPU and on-chip peripherals.
System clock f
5.1. Instruction Cycle Time:
(1) 4/32.768kHz (≈ 122µs) for 32.768kHz oscillator.
(2) 4/131 kHz (≈ 30.53µs) for 131kHz oscillator.
5.2. Oscillator Type:
(1) Crystal oscillator: 32.768kHz
(2) RC oscillator: 131kHz
5.3. Capacitor Selection for Oscillator
Notes:
1. Capacitor values are used for design guidance only!
2. These capacitors were tested with the crystals listed above for basic start-up and operation. They are not optimized.
3. Be careful for the stray capacitance on PCB board, the user should test the performance of the oscillator over the expected
Before selecting crystal, the user should consult the crystal manufacturer for appropriate value of external component to get
best performance, visit
Frequency
V
32.768kHz
DD
and the temperature range for the application.
Crystal Oscillator
SYS
5 - 12.5pF
= f
OSC
C1
http://www.sinowealth.com
OSCO
OSCI
OSCI
/4
5 - 12.5pF
1000pF (for reference only)
C2
R
OSC
Crystal
C1
C2
V
DD
for more recommended manufactures.
Recommend Type
φ3x8 - 32.768KHz
DT 38 (φ3x8)
8
Vectron International
Manufacturer
KDS
SH66L10A
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