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參數(shù)資料
| 型號： | STLED316SMTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 顯示控制器 |
| 英文描述： | 4 X 17 SEGMENTS SEGMENT LED DRVR AND DSPL CTLR, PDSO24 |
| 封裝： | ROHS COMPLIANT, SOP-24 |
| 文件頁數(shù)： | 16/33頁 |
| 文件大?。?/td> | 438K |
| 代理商： | STLED316SMTR |
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STLED316S
Commands
23/33
8.4
Display memory
The display memory stores the display data and sends to the LED when the display is on.
The address pointer, memory page and write signal indicates to this block the location to
write the data. This block will manage the address pointer. When the user writes a first byte,
the address increments by one if in auto-increment mode, else the address pointer remains
in the same location. The initial address is latched during the write/read command into the
address pointer. The display memory (7-segment/LED) is directly mapped into the display
segments. The user can access only one bank at a time in both the read and write modes.
The memory block is split into 4 pages.
Table 16.
Memory page address
7-segment display memory page 0x00:
Table 17.
7-segment display address
LED display memory page 0x01:
Table 18.
LED display address
Initial memory:
Default memory value is “00” in all locations.
During operation:
User defined value in these locations.
When the user wants to read the data from a particular location, the user sends the address
page through read command and chooses the mode of the address pointer (fixed or auto).
In this case, the user can access the whole memory area in that particular page (maximum
0 x 05).
Page 1
7 segment memory
Page 2
LED Display
Page 3
7 segment brightness
setting
Page 4
LED brightness setting
Addr 0x00 to 0x05
(40 bit)
Addr 0x00
(8 bit)
Addr 0x00 to 0x03
(32bit)
Addr 0x00 to 0x03
(32bit)
Address
Data
0x00
0x01
0x00
0x02
0x00
0x03
0x00
0x04
0x00
0x05
0x00
Address
Data
0x00h
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