參數(shù)資料
型號(hào): PCF2119X
廠商: NXP Semiconductors N.V.
英文描述: LCD controllers/drivers
中文描述: LCD控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù): 16/68頁(yè)
文件大小: 346K
代理商: PCF2119X
2003 Jan 30
16
Philips Semiconductors
Product specification
LCD controllers/drivers
PCF2119X
Fig.11 Relationship between CGRAM addresses, data and display patterns.
Character code bits 0 to 3 correspond to CGRAM address bits 3 to 6.
CGRAM address bits 0 to 2 designate the character pattern line position. The 8th line is the cursor position and display is performed by logical OR with
the cursor. Data in the 8th position will appear in the cursor position.
Character pattern column positions correspond to CGRAM data bits 0 to 4, as shown in Figs. 7 to 10
As shown in Figs. 7 to 10, CGRAM character patterns are selected when character code bits 4 to 7 are all logic 0. CGRAM data = logic 1 corresponds
to selection for display.
Only bits 0 to 5 of the CGRAM address are set by the ‘set CGRAM address’ command. Bit 6 can be set using the ‘set DDRAM address’ command in
the valid address range or by using the auto-increment feature during CGRAM write. All bits 0 to 6 can be read using the ‘read busy flag and address
counter’ command.
handbook, full pagewidth
MGE995
7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
4
3
2
1
0
higher
order
bits
lower
order
bits
lower
order
bits
higher
order
bits
lower
order
bits
higher
order
bits
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
0
0
0
0
1
1
1
1
0
0
1
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
CGRAM
address
character patterns
(CGRAM data)
4
3
2
1
0
0
1
1
0
0
1
0
0
1
0
0
1
1
1
1
0
0
0
1
0
0
0
0
0
0
1
0
0
1
0
0
0
0
1
1
1
1
1
1
1
1
0
1
1
1
0
0
1
1
1
1
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
1
1
0
0
0
1
0
1
0
0
1
character code
(CGRAM data)
character
pattern
example 1
cursor
position
character
pattern
example 2
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