Datasheet

1068
42023E–SAM–07/2013
ATSAM4L8/L4/L2
39.7.13 Automated Character Mapping Configuration Register
Name:
ACMCFG
Access Type: Read/Write
Offset: 0x48
Reset Value: 0x00000000
• DIGN: Digit Number
Defines the number of digit used (must be >1).
• STEPS: Scrolling Steps
Defines the number of steps in scrolling mode. STEPS = string length - DIGN + 1.
• STSEG: Start Segment
Defines the first segment terminal used to write the decoded display.
• TDG: Type of Digit
• DREV: Digit Reverse
0: Digit reverse mode is disabled.
1: Digit reverse mode is enabled.
•MODE: Mode
0: Sequential.
1: Scrolling.
31 30 29 28 27 26 25 24
---- DIGN
23 22 21 20 19 18 17 16
STEPS
15 14 13 12 11 10 9 8
-- STSEG
76543210
- TDG DREV MODE FCS EN
Table 39-17. Type of Digit
TDG Digit
00 7-segment with 3 common terminals, COM[2:0]
01 7-segment with 4 common terminals, COM[3:0]
10 14-segment with 4 common terminals, COM[3:0]
11 16-segment with 3 common terminals, COM[2:0]