Maxim-integrated MAXQ Family Users Guide: MAXQ2010 Supplement Bedienungsanleitung PDF herunterladen (Seite 102)

MAXQ Family User’s Guide:

MAXQ2010 Supplement

20-10

20.9 LCD Display Memory

The LCD0 to LCD20 registers provide 21 bytes of display memory. Depending on the duty cycle and package type,

not all display memory can be used by the LCD controller. Any display memory that is unused by the LCD controller

can be used for application purposes if desired. The following tables show the display memory mapping for different

duty cycle and package configurations.

Table 20-2. Approximate LCD Frame Frequencies (Hz) (continued)

Table 20-3. LCD Display Memory Map (Static)

FRM[3:0]

LCD

= 32,768Hz/2 f

LCD

= 19,531Hz (10MHz/512)

1, 1/2, 1/4 1/3 1, 1/2, 1/4 1/3

8 29 19 34 23

9 26 17 31 21

10 24 16 28 19

11 22 14 26 17

12 20 13 24 16

13 19 12 22 15

14 17 12 21 14

15 16 11 19 13

BIT 7

COM0

BIT 6

COM0

BIT 5

COM0

BIT 4

COM0

BIT 3

COM0

BIT 2

COM0

BIT 1

COM0

BIT 0

COM0

LCD0 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0

LCD1 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8

LCD2 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16

LCD3 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24

LCD4 SEG39 SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32

LCD5 SEG42 SEG41 SEG40

LCD6

LCD7

LCD8

LCD9

LCD10

LCD11

LCD12

LCD13

LCD14

LCD15

LCD16

LCD17

LCD18

LCD19

LCD20

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 146 147

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