SM16312
SM16312 is VFD CONTROLLER /DRIVER manufactured by SamHop Microelectronics Corp..
DESCRIPTION
SM16312 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/8 to 1/16 duty factor. Eleven segment output lines, 6 grid output lines, 5 segment/grid output drive lines, key scan, one display memory, IC control circuit are all incorporated in a single chip. It is pin to pin patible with u PD16312(NEC). This SM16312 is ideal as a peripheral device of a single chip microputer.
FEATURES
- Multiple Display Modes
- High Voltage Output
- Key Scanning
- General Purpose Input Ports (4 bit)
- Dimming Circuitry (8 segment)
- LED Display Ports(4 outs, 20m A max)
- No external Resistors Needed for Driver Outputs
- Serial Interface for controller
APPLICATIONS
- Audio System
- Car Stereo
- VCD
- DVD
- VCR
- TV G4 G3 G2 G1 VDD LED4 LED3 LED2 LED1 GND OSC
34 35 36 37 38 39 40 41 42 43 44
PIN ASSIGNMENT
G5 G6 Sg16/G7 Sg15/G8 Sg14/G9 Sg13/G10 VEE Sg12/G11 Sg11 Sg10 Sg9
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
Sg8 Sg7 Sg6/KS6 Sg5/KS5 Sg4/KS4 Sg3/KS3 Sg2/KS2 Sg1/KS1 VDD K4 K3
31 32 33 34 35 36 37 38 39 10 11
Page 1
DOUT DIN GND CLK STB K1 K2 V.1.2, 8/8/01
S1 S2 S3 S4
SAMHOP Microelectronics Corp. VFD CONTROLLER /DRIVER
BLOCK DIAGRAM
Encoder DIN DOUT CLK STB VDD R OSC Timing Gen Serial Data I/F
Dimming Ckt Segment Driver
SG1
SG11
Display Memory 16bits- 11words
16 bit 5 Latch
Data Selector SG12/ Grid11 SG16/ Grid7 ~...