NT3881D ETC-unknow, NT3881D Datasheet
NT3881D
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NT3881D Summary of contents
Page 1
... X 10 programmable dot patterns Low voltage reset NOVATEK Identification code Bonding option for A-type and B-type waveform General Description The NT3881D is a dot matrix LCD controller and driver LSI that can operate with either a 4-bit or an 8-bit microprocessor (MPU). NT3881D ...
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... NT3881D DB1 39 DB0 R VDD 32 CL2 ...
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... NT3881D SEG39 63 SEG40 COM1 62 6 COM1 61 5 COM1 60 4 COM1 ...
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... DECODER 7 7 DISPLAY DATA CUR50R ADDRESS COURTER 8 7 CHARACTER CHARACTER GENERATOR GENERATOR RAM (CG RAM) (CG ROM BITS 5 5 PARALLEL-TO-SERIAL CONVERTER 4 NT3881D 7 16-BIT COMMON 16 RAM SHIFT SIGNAL (DD RAM) REGISTER DRIVER BITS 8 CURSOR /BLINK CONTROLLER 8 40-BIT SEGMENT 40 LATCH SIGNAL ROM CIRCUIT ...
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... Read I MPU Read/Write start signal I/O MPU Lower 4 tri-state bi-directional data bus for transmitting data between MPU and NT3881D. Not used during 4-bit operation. I/O MPU Higher 4 tri-state bi-directional data bus for transmitting data between MPU and NT3881D. DB7 is also used as busy flag. ...
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... Characters: The CG ROM contains 192 dot character patterns and dot character patterns. An example of this type is the NT3881D-02, in which the relation between the character codes and character patterns is shown in Table 2. The character codes from 00H to 0FH are used to get character patterns from the CG RAM ...
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... V -1 GND - 1 125 250 - 0.3 0.5 7 NT3881D Unit Conditions Applicable Pin V DB0 - DB7, RS, R/ OSC1 -0.25mA OH DB0 - DB7 (TTL 1.2mA -0.04mA OH CL1, CL2 (CMOS 0.04mA COM1 - 0.05mA D V SEG1 - 0.05mA ...
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... Rf = 91K%&' 2% 245 250 255 KHz Ceramic resonator 4 3.0 Min. Typ. Max. 500 - - 300 - - - - 100 190 NT3881D Conditions Applicable Pin 1/5 bias 5 1/4bias Unit Conditions ns Figure 1 ns Figure 1 ns Figure 1 ns Figure 1 ns Figure 1 ns Figure 1 ns Figure 1 V2.4 ...
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... Min. Typ. 800 - 800 - 300 - 300 - 500 - -1000 - Min. Typ. 0 NT3881D Max. Unit Conditions - ns Figure Figure Figure Figure Figure Figure Figure 2 Max. Unit Conditions - ns Figure Figure Figure 3 - ...
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... DB0 ~ DB7 t WEM V IH1 V IL1 IH1 VALD DATA V IL1 Figure 1. Bus Read Operation Sequence (Reading out data from NT3881D to MPU) t WEM IH1 VALD DATA V IL1 t CYCE Figure 2. Bus Write Operation Sequence (Writing data from MPU to NT3881D) ...
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... Figure 3. Sending Data to Segment Driver LSI NT3882 Interface Signals with Segment Driver LSI (continued) 0. RON t 0.1ms > > 10ms RON Figure 4. t Note 1: The NT3881D has three clock options: A. Internal Oscillator Operation (With Ceramic Filter) OSC2 OSC1 CERAMIC FILTER C1 0 CWH CWH ...
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... A. Input Terminal Applicable Terminal : E (No Pull Up MOS) Applicable Terminals: RS, R/W (with Pull Up MOS) PULL UP MOS Only Rf may be connected between OSC1 and OSC2. The wire connection Rf must be as short as possible. OSC2 OSC1 and OSC2. OSC2 V DD PMOS NMOS V DD PMOS 12 NT3881D V DD PMOS NMOS V2.4 ...
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... B. Output Terminal Applicable Terminals: CL1, CL2 I/O Terminal Applicable Terminals: DB0 to DB7 V DD PULL UP MOS PMOS V DD PMOS NMOS V DD PMOS V DD PMOS NMOS NMOS 13 NT3881D ENABLE DATA (OUTPUT CIRCUIT) (TRISTATE) V2.4 ...
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... Table 1. Correspondence between Character Codes and Character Patterns (NOVATEK Standard NT3881D-01) 14 NT3881D V2.4 ...
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... Table 2. Correspondence between Character Codes and Character Patterns (NOVATEK Standard NT3881D-02) 15 NT3881D V2.4 ...
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... S/C R ACG ADD AC Write data Read data 16 NT3881D Function Execution time (max) (f OSC 250KHz) Clear entire display area, restore display from shift, and load address counter with DD 1.64ms RAM address 00H. Restore display from shift and load address counter with DD 1 ...
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... DB4 DB3 DB2 DB1 DB0 I Decrement S Move Cursor R Shift Left 4-Bit Signal Line 5x8 dots 17 NT3881D Function Execution time (max) (f OSC 250KHz) DD RAM : Display Data RAM CG RAM : Character Generator RAM ACG : Character Generator RAM Address ADD : Display Data RAM ...
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... Interface to LCD (1) Character Font and Number of Lines The NT3881D provides dot character font 1-line mode dot character font 1-line mode and dot character font 2-line mode, as shown in the table below. Number of Lines Character Font dots + Cursor ...
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... X 10 Font - 8 character X 1 line (1/11 duty cycle, 1/4 bias) COM1 COM8 NT3881D SEG1 SEG40 COM11 COM9 ( Font - 8 character X 2 lines (1/16 duty cycle, 1/5 bias) COM1 COM8 NT3881D SEG1 SEG40 COM16 COM9 LCD PANEL LCD PANEL 19 NT3881D V2.4 ...
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... X 8 Font - 16 character X 1 line (1/16 duty cycle, 1/5 bias) COM1 COM8 SEG1 NT3881D SEG40 COM16 COM9 LCD PANEL 20 NT3881D V2.4 ...
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... Bias Power Connection NT3881D provides 1/4 or 1/5 bias for various duty cycle applications. The power division voltage is described in the following table. The connection of NT3881D, power supply, and resistors are also shown as follows: Power Division VDD VDD ...
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... A-type, 1/11 Duty Cycle, 1/4 Bias COM1 A-type, 1/16 Duty Cycle, 1/5 Bias COM1 400 CLOCKS FRAME 400 CLOCKS FRAME 200 CLOCKS FRAME 22 NT3881D V2.4 ...
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... Frame Frequency ) ) ( 270K 400 CLOCKS Frame 1sec ( ) 400 ) 11 ( 16.3ms Frame Frequency 270K 200 CLOCKS Frame Frame Frequency ) 200 ) 16 ( 11.9ms 23 NT3881D 84.3Hz ( ( 11.9ms 61.4Hz 16.3ms 84.3Hz ( ( 11.9ms V2.4 ...
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... DR2 CL2 DL2 CL1 DR1 NT3882 M FCS V DD SEL1 GND SEL2 NT3881D S1 - S40 DL1 DR2 CL2 DL2 CL1 NT3882 DR1 M FCS V DD SEL1 GND SEL2 ...
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... Pad window area: 120 m X 110 NT3881DH 3175 $m or keep floating DD 25 NT3881D 3861 $ ...
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... NT3881D Unit: $m Designation X Y DB2 1469 -1707 DB3 1469 -1557 DB4 1469 -1407 DB5 1469 -1257 DB6 1469 -1107 DB7 1469 -957 COM1 1469 -807 ...
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... Ordering Information Part No. NT3881DH-01 NT3881DF-01 NT3881DH-02 NT3881DF-02 Package CHIP FORM 80L QFP/B-type waveform CHIP FORM 80L QFP/B-type waveform 27 NT3881D Remarks Refer to Table 1 Refer to Table 1 Refer to Table 2 Refer to Table 2 V2.4 ...
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... NOM. 0.929 NOM. 0.740±0.012 0.976±0.012 0.047±0.008 0.095±0.008 0.006 Max. 0" ~ 12" & G are for PC Board surface mount pad pitch design reference only NT3881D unit: inches/ Detail F 1 3.30 Max. 0.10 Min. 2.85±0.13 0.35 +0.10 -0.05 ...
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... Product Spec. Change Notice Version B-type waveform modified(Page 23 , Document mistake 2.4 corrected) 2.3 PAD 33 VDDB,PAD 81 VDDA modified( Page 5, 24) 2.2 Updated Page 16. 2.1 Updated all diagrams. 2.0 Modified Page1 1.0 NEW SPEC NT3881 Specification Revision History Content 29 NT3881D Date Apr.2002 Nov.2001 Nov.2001 Nov.1999 - - V2.4 ...