Specifications

4–46 EPSON
SED1220
(1) Initial setup
(1.1) VDD–VSS Power ON
(1.2) Power regulation
(1.3) Input of RESET signal
(1.4) Command Status
• Display ON/OFF :OFF
• Power save :OFF
• Power control :OFF
• System reset :OFF
• Electronic Volume :(0, 0, 0, 0, 0)
• Static display control :OFF
• Others are undefined.
(1.5) Waiting for 10µ sec or more
(1.6) Command Input: ((*) indicates any command sequence.)
(a) System Setup command: CGRAM→Not use, 3lines, COM Left shift
(*) Electronic volume resister setup: Data→(0, 0, 0, 0, 0, 0)
(*) Power save command: PS→0, 0→1
(d) Power Control command: P, VF, VC→1
(e) (f) RAM address setup, Data writing
• RAM address setup: Set address is 30H
A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0001100100
A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0010110000
A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0001010111
A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0001000/10/110
A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0010101000
1000000000