git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 70e84049 MOS |
1 | =================================== |
| 2 | cfag12864b LCD Driver Documentation | |
| 3 | =================================== | |
| 4 | ||
| 5 | License: GPLv2 | |
| 6 | Author & Maintainer: Miguel Ojeda Sandonis <maxextreme@gmail.com> | |
| 7 | Date: 2006-10-27 | |
| 8 | ||
| 9 | ||
| 10 | ||
| 11 | -------- | |
| 12 | 0. INDEX | |
| 13 | -------- | |
| 14 | ||
| 15 | 1. DRIVER INFORMATION | |
| 16 | 2. DEVICE INFORMATION | |
| 17 | 3. WIRING | |
| 18 | 4. USERSPACE PROGRAMMING | |
| 19 | ||
| 20 | ||
| 21 | --------------------- | |
| 22 | 1. DRIVER INFORMATION | |
| 23 | --------------------- | |
| 24 | ||
| 25 | This driver support one cfag12864b display at time. | |
| 26 | ||
| 27 | ||
| 28 | --------------------- | |
| 29 | 2. DEVICE INFORMATION | |
| 30 | --------------------- | |
| 31 | ||
| 32 | Manufacturer: Crystalfontz | |
| 33 | Device Name: Crystalfontz 12864b LCD Series | |
| 34 | Device Code: cfag12864b | |
| 35 | Webpage: http://www.crystalfontz.com | |
| 36 | Device Webpage: http://www.crystalfontz.com/products/12864b/ | |
| 37 | Type: LCD (Liquid Crystal Display) | |
| 38 | Width: 128 | |
| 39 | Height: 64 | |
| 40 | Colors: 2 (B/N) | |
| 41 | Controller: ks0108 | |
| 42 | Controllers: 2 | |
| 43 | Pages: 8 each controller | |
| 44 | Addresses: 64 each page | |
| 45 | Data size: 1 byte each address | |
| 46 | Memory size: 2 * 8 * 64 * 1 = 1024 bytes = 1 Kbyte | |
| 47 | ||
| 48 | ||
| 49 | --------- | |
| 50 | 3. WIRING | |
| 51 | --------- | |
| 52 | ||
| 53 | The cfag12864b LCD Series don't have official wiring. | |
| 54 | ||
| 55 | The common wiring is done to the parallel port as shown: | |
| 56 | ||
| 57 | Parallel Port cfag12864b | |
| 58 | ||
| 59 | Name Pin# Pin# Name | |
| 60 | ||
| 61 | Strobe ( 1)------------------------------(17) Enable | |
| 62 | Data 0 ( 2)------------------------------( 4) Data 0 | |
| 63 | Data 1 ( 3)------------------------------( 5) Data 1 | |
| 64 | Data 2 ( 4)------------------------------( 6) Data 2 | |
| 65 | Data 3 ( 5)------------------------------( 7) Data 3 | |
| 66 | Data 4 ( 6)------------------------------( 8) Data 4 | |
| 67 | Data 5 ( 7)------------------------------( 9) Data 5 | |
| 68 | Data 6 ( 8)------------------------------(10) Data 6 | |
| 69 | Data 7 ( 9)------------------------------(11) Data 7 | |
| 70 | (10) [+5v]---( 1) Vdd | |
| 71 | (11) [GND]---( 2) Ground | |
| 72 | (12) [+5v]---(14) Reset | |
| 73 | (13) [GND]---(15) Read / Write | |
| 74 | Line (14)------------------------------(13) Controller Select 1 | |
| 75 | (15) | |
| 76 | Init (16)------------------------------(12) Controller Select 2 | |
| 77 | Select (17)------------------------------(16) Data / Instruction | |
| 78 | Ground (18)---[GND] [+5v]---(19) LED + | |
| 79 | Ground (19)---[GND] | |
| 80 | Ground (20)---[GND] E A Values: | |
| 81 |