M0220SD-202SDAR1-S Newhaven Display, M0220SD-202SDAR1-S Datasheet - Page 11

• Manufacturer Part Number: M0220SD-202SDAR1-S
• Description: MODULE VF CHAR 2X20 5.34MM
• Manufacturer: Newhaven Display

Specifications of M0220SD-202SDAR1-S

• Outline L X W X H: 116.00mm x 37.00mm x 11.00mm
• Display Format: 20 x 2
• Display Type: Character
• Format: 5 x 8 Dots
• Voltage - Supply: 4.5 V ~ 5.5 V
• Character Size: 5.34mm H x 2.35mm W
• Interface: Parallel/Serial
• Operating Temperature: -40°C ~ 85°C
• Product: Character Display Modules
• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 11 mm
• Voltage Rating: 4.5 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Dot Format: 5 x 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Viewing Area: -
• Number Of Dots: -
• Lead Free Status / Rohs Status: Details

DB7
DB6
DB0
WR/
RD/
RS
3-2. SYNCHRONOUS SERIAL INTERFACE MODE
3-1-2. INTEL I80-TYPE MODE
In the synchronous serial interface mode, instructions and data are sent between the host
and the module using 8-bit bytes. Two bytes are required per read/write cycle and are
transmitted MSB first. The start byte contains 5 high bits, the Read/Write (R/W) control bit,
the Register Select (RS) control bit, and a low bit. The following byte contains the
instruction/data bits. The R/W bit determines whether the cycle is a read (high) or a write
(low) cycle. The RS bit is used to identify the second byte as an instruction (low) or data
(high).
This mode uses the Strobe (STB) control signal, Serial Clock (SCK) input, and Serial I/O
(SI/SO) line to transfer information. In a write cycle, bits are clocked into the module on
the rising edge of SCK. In a read cycle, bits in the start byte are clocked into the module on
the rising edge of SCK. After the minimum wait time, each bit in the instruction/data byte
can be read from the module after each falling edge of SCK. Each read/write cycle begins
on the falling edge of STB and ends on the rising edge. To be a valid read/write cycle, the
STB must go high at the end of the cycle.
This mode uses the Read (RD/) and Write (WR/) control signals to transfer information.
Instructions/data are written to the module on the rising edge of WR/ and are read from
the module after the falling edge of RD/.
Fig. 9. Typical 8-Bit Parallel Interface Sequence Using I80-Type Mode
Write Instruction
IB7
IB6
IB0
Write Instruction
IB7
IB6
IB0
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Read Instruction
BF=“0”
IB6
IB0
Write Data
DB7
DB6
DB0
M0220SD-202SDAR1-S