MAX6852
4-Wire Interfaced, 5
✕
7 Matrix Vacuum-
Fluorescent Display Controller
28 ______________________________________________________________________________________
OUTPUT MAP RAM
ADDRESS
OUTPUT MAP RAM CODE ON
POWER-UP (DECIMAL)
FUNCTION MAPPED BY OUTPUT MAP RAM CODE
0x00 to 0x27 0–39 Grids 0–39
0x28, 0x29, 0x2A, 0x2B, 0x2C
5 x 7 matrix character segments 1-1, 2-1, 3-1, 4-1, 5-1
0x2D, 0x2E, 0x2F, 0x30, 0x31
5 x 7 matrix character segments 1-2, 2-2, 3-2, 4-2, 5-2
0x32, 0x33, 0x34, 0x35, 0x36 58, 59, 60, 61, 62
5 x 7 matrix character segments 1-3, 2-3, 3-3, 4-3, 5-3
0x37, 0x38, 0x39, 0x3A, 0x3B
5 x 7 matrix character segments 1-4, 2-4, 3-4, 4-4, 5-4
0x3C, 0x3D, 0x3E, 0x3F, 0x40
5 x 7 matrix character segments 1-5, 2-5, 3-5, 4-5, 5-5
0x41, 0x42, 0x43, 0x44, 0x45 73, 74, 75, 76, 77
5 x 7 matrix character segments 1-6, 2-6, 3-6, 4-6, 5-6
0x46, 0x47, 0x48, 0x49, 0x4A 78, 79, 80, 81, 82
5 x 7 matrix character segments 1-7, 2-7, 3-7, 4-7, 5-7
0x4B 83 5 x 7 matrix character segment DP
0x4C, 0x4D, 0x4E, 0x4F, 0x50
5 x 7 matrix character segments 1-1, 2-1, 3-1, 4-1, 5-1
0x51, 0x52, 0x53, 0x54, 0x55 89, 90, 91, 92, 93
5 x 7 matrix character segments 1-2, 2-2, 3-2, 4-2, 5-2
0x56, 0x57, 0x58, 0x59, 0x5A 94, 95, 96, 97, 98
5 x 7 matrix character segments 1-3, 2-3, 3-3, 4-3, 5-3
0x5B, 0x5C, 0x5D, 0x5E, 0x5F
5 x 7 matrix character segments 1-4, 2-4, 3-4, 4-4, 5-4
0x60, 0x61, 0x62, 0x63, 0x64 104, 105, 106, 107, 108
5 x 7 matrix character segments 1-5, 2-5, 3-5, 4-5, 5-5
0x65, 0x66, 0x67, 0x68, 0x69 109, 110, 111, 112, 113
5 x 7 matrix character segments 1-6, 2-6, 3-6, 4-6, 5-6
0x6A, 0x6B, 0x6C, 0x6D, 0x6E
5 x 7 matrix character segments 1-7, 2-7, 3-7, 4-7, 5-7
0x6F 119 5 x 7 matrix character segment DP
0x70 124 Cursor segment for digits 0 to 47 1st row
0x71 125 Cursor segment for digits 0 to 47 2nd row
0x72 to 0x79 127 No action
Table 30. Output Map RAM Initial Power-Up Status
REGISTER DATA
MODE
COMMAND
ADDRESS
D7 D6 D5 D4 D3 D2 D1
Set output map address to minimum (0x00) with data
0x80. (Note that this address is set as a power-up
default.)
0x06 1 0 0 0 0 0 0 0
Set output map address to maximum 0x79 with data
0xF9.
0x06 1 1 1 1 1 0 0 1
Table 31. Setting Output Map Address Pointer
REGISTER DATA
MODE
COMMAND
ADDRESS
D7 D6 D5 D4 D3 D2 D1
Write output map data; output map address pointer is
autoincremented after the output map data has been
written to the current location.
0x06 0 7 bits of output map data
Table 32. Writing Output Map Data