Seiko Instruments G1216B1N000 user manual 9, 11, 12, 17, 18, 19

Page 28

AN.No.G1216B1N000-3D0E

INDEX

 

- A -

 

Active display area

2

- B -

 

Bias voltage generator

7, 13

Block diagram

7, 8

Busy flag

8, 10

- C -

 

Chip select

6, 9, 14

Cleaning

24

Common driver

7, 13

Contrast

3, 21

Contrast adjustment

21

Current consumption

2

- D -

 

Definition of contrast

4

Definition of response time

4

Definition of viewing angles

3

Display data RAM

1, 8, 9, 11, 12, 17, 18, 19, 20

Display data read

17, 20

Display data write

17, 20

Display ON/OFF

8, 17

Display ON/OFF flip-flop

10

Display start line

8, 11, 12, 17, 18

Display start line register

8, 11

Dot dimensions

2

Dot pitch

2

- E -

 

Enable

6, 14

- F -

 

Frame frequency

2

- I -

 

Input and output buffer

8, 9

Input register

8, 9

Input voltage

2, 22

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Contents USER’S Manual AN.No.G1216B1N000-3D0ECopyright 1993 by Seiko Instruments Inc Contents General +80 Temperature Storage Symbol Conditions Min Typ Max Unit Input HighPower supply voltage VoltageMin Typ Max Unit Remark 25 C Vopr=13.0 Viewing angle∅ = 25 C Vopr=13.0 Contrast 25 C Vopr=13.0AN.No.G1216B1N000-3D0E Definition of response time −20 To +70 Storage temp. rangeLeda Number of LEDChips=20 LedcDB0 DB1DB2 DB3CS2 CS1 Circuit ConfigurationV c, V d, V f CS R/W FRMMSB LSBBusy Page COM1 COM2COM3 COM4Operational Amplifier Bias R2= 9 4 R1= 5 R1 MPU Operating InstructionsCS1 CS2 450 140To DB7 Test point RL = 2.4 k = 11 kReset time Rise time 200Detailed explanation Display ON/OFF Code FunctionD/I AN.No.G1216B1N000-3D0E Display start line Code DB7 DB0Display start line=0 Display start line=1 Display start line =2 Display start line=3Display Data RAM Address Configuration AN.No.G1216B1N000-3D0E Address page set CodeReset Voltage V opr 13.5 13.0 12.5 11.5 10.5 =10 k Ω=1.2 k Ω Variable resistor=Input voltage power voltageV =LED forward voltage=Allowable LED forward current a Leda LedcMPU Connection Diagram Z80 PIOD0 to D7 A0 to A7 DB0 to DB7 A0 to A15 Decoder Iorq RST CS1Precautions 9, 11, 12, 17, 18, 19 11, 12, 1710, 16, 17 LC drive voltageSeiko Instruments Inc
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