CM2915 Datasheet, PDF (12/19 Pages) Ceramate Technical – LCD Driver (19x4) with Key Scan (4x8)

CM2915
LCD Driver (19*4) with Key Scan (4*8)
For example :
CM2915-2
AIN
C1
C2
C3
C4
C5
C6
C7
C8
200K
200K
200K
200K
200K
200K
200K
200K
S8
S0
1N4148
S9
S1
1N4148
S10
S2
1N4148
S11
S3
1N4148
S12
S4
1N4148
S13
S5
1N4148
S14
S6
1N4148
S15
S7
1N4148
1 : Switch close
0 : Switch open
RLCD-5
S0 - - S7
External switch S0 - - - S15 : → 0 0 0 0 0 0 1 0
S8 - - S15
01010010
On chip ROM2 : →
ROM2
00000000
S0 - -S7
S14，S15
A0 - - A2，A3 - - A7 : → 0 1 1 0 0 0 0 1
A8’ - - A15’ : →
1 : non-inversion
0 : inversion
(S8 - - S13) OR ROM2
010100xx
↓x↓x↓↓↓↓
- A1 - A3 - - - -
A1B - A2B - A4B A5B A6B A7B
A8 - - A15 : →
A0 - - A7
Custom codes A0 - - - A15 : → 0 1 1 0 0 0 0 1
11001110
A8 - - A15
11001110
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:[phone]
Fax:[phone]
Page 12 of 19
Email: [e-mail]
Http: www.ceramate.com.tw
Rev 1.0 Aug.1, 2003