SM5021 Datasheet, PDF (2/8 Pages) Nippon Precision Circuits Inc – Crystal Oscillator Module ICs

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SAMHOP Microelectronics Corp.
SM5021
ENCODER
BLOCK DIAGRAM
OSC1
OSC2
XTAL OSC
K1
K2
K3
K4
Key In Latcg And
K5
Error Detect
K6
K7
K8
VDD
Vss
Timing Generator
Latch Key
Bit_ CK
Filed_CK
Frame_CK
C1
Encoder
C2
Output Drive
DOUT
LEDO
PIN DESCRIPTION
Pin Name
C1,C2
K1 ~ K8
Vss
OSC1
OSC2
DOUT
LEDO
VDD
I/O
I
I
POWER
I
O
O
O
POWER
Function
Custom Code
Remote Control Key Inputs
(Built-In Pull-Low Resistor)
Negative Power Supply ( Substrate )
455KHz XTAL OSC Pin
455KHz XTAL OSC Pin
Signal Output
Transmission Indicator
Positive Power Supply
Page 2
V.2.0 Mar 8,2002