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NHD-2.23-12832UMB3 Datasheet(PDF) 4 Page - Newhaven Display International, Inc. |
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NHD-2.23-12832UMB3 Datasheet(HTML) 4 Page - Newhaven Display International, Inc. |
4 / 21 page [4] 3. Interface Description 3.1. Parallel Interface: Pin No. Symbol External Connection Function Description 1 VSS Power Supply Ground 2 VDD Power Supply Supply Voltage for OLED and logic. 3 NC ‐ No Connect 4 D/C MPU Register select signal. D/C=0: Command, D/C=1: Data 5 R/W or /WR MPU 6800‐interface: Read/Write select signal, R/W=1: Read R/W: =0: Write 8080‐interface: Active LOW Write signal. 6 E or /RD MPU 6800‐interface: Operation enable signal. Falling edge triggered. 8080‐interface: Active LOW Read signal. 7‐14 DB0 – DB7 MPU 8‐bit Bi‐directional data bus lines. 15 /RES MPU Active LOW Reset signal. 16 /CS MPU Active LOW Chip Enable signal. 17 BS2 MPU MPU Interface Select signal. 18 BS1 MPU MPU Interface Select signal. 19 MF_SCLK MPU Multi‐font IC Serial Clock Input 20 MF_SI MPU Multi‐font IC Serial Data Input 21 /MF_CS2 MPU Multi‐font IC Active LOW Chip Enable signal. 22 MF_SO MPU Multi‐font IC Serial Data Output 23 NC ‐ No Connect 24 NC ‐ No Connect 3.2. Serial Interface: Pin No. Symbol External Connection Function Description 1 VSS Power Supply Ground 2 VDD Power Supply Supply Voltage for OLED and logic. 3 NC ‐ No Connect 4 D/C MPU Register select signal. D/C=0: Command, D/C=1: Data 5‐6 VSS Power Supply Ground 7 SCLK MPU Serial Clock signal. 8 SDIN MPU Serial Data Input signal. 9 NC ‐ No Connect 10‐14 VSS Power Supply Ground 15 /RES MPU Active LOW Reset signal. 16 /CS MPU Active LOW Chip Enable signal. 17 BS2 MPU MPU Interface Select signal. 18 BS1 MPU MPU Interface Select signal. 19 MF_SCLK MPU Multi‐font IC Serial Clock Input 20 MF_SI MPU Multi‐font IC Serial Data Input 21 /MF_CS2 MPU Multi‐font IC Active LOW Chip Enable signal. 22 MF_SO MPU Multi‐font IC Serial Data Output 23 NC ‐ No Connect 24 NC ‐ No Connect |
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