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参数资料
| 型号： | PCF85162T/1,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 24/56页 |
| 文件大小： | 0K |
| 描述： | IC LCD DISPLAY DVR 32SEG 48TSSOP |
| 产品培训模块： | I²C Bus Fundamentals |
| 标准包装： | 1 |
| 显示器类型： | LCD |
| 配置： | 32 段 |
| 接口： | I²C |
| 数字或字符： | 任何数字类型 |
| 电流 - 电源： | 8µA |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-TFSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 48-TSSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 844 (CN2011-ZH PDF) |
| 其它名称： | 568-1059-6 568-1059-6-ND 568-5059-6 |
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NXP Semiconductors
PCF85162
Universal LCD driver for low multiplex rates
7.6.4 RAM writing in 1:3 multiplex drive mode
In 1:3 multiplex drive mode, the RAM is written as shown in Table 15 (see Figure 12 as
well).
Table 15. Standard RAM filling in 1:3 multiplex drive mode
Assumption: BP2/S2, BP2/S5, BP2/S8 etc. are not connected to any elements on the display.
Display RAM
Display RAM addresses (columns)/segment outputs (Sn)
bits (rows)/
backplane
0
1
2
3
4
5
6
7
8
9
:
outputs (BPn)
0
1
2
3
a7
a6
a5
-
a4
a3
a2
-
a1
a0
-
-
b7
b6
b5
-
b4
b3
b2
-
b1
b0
-
-
c7
c6
c5
-
c4
c3
c2
-
c1
c0
-
-
d7
d6
d5
-
:
:
:
:
If the bit at position BP2/S2 would be written by a second byte transmitted, then the
Table 16. Entire RAM filling by rewriting in 1:3 multiplex drive mode
Assumption: BP2/S2, BP2/S5, BP2/S8 etc. are connected to elements on the display.
Display RAM
Display RAM addresses (columns)/segment outputs (Sn)
bits (rows)/
backplane
0
1
2
3
4
5
6
7
8
9
:
outputs (BPn)
0
1
a7
a6
a4
a3
a1/b7 b4
a0/b6 b3
b1/c7 c4
b0/c6 c3
c1/d7 d4
c0/d6 d3
d1/e7 e4
d0/e6 e3
:
:
2
3
a5
-
a2
-
b5
-
b2
-
c5
-
c2
-
d5
-
d2
-
e5
-
e2
-
:
:
In the case described in Table 16 the RAM has to be written entirely and BP2/S2, BP2/S5,
BP2/S8 etc. have to be connected to elements on the display. This can be achieved by a
combination of writing and rewriting the RAM like follows:
? In the first write to the RAM, bits a7 to a0 are written
? The data-pointer (see Section 7.6.1 on page 23 ) has to be set to the address of bit a1
? In the second write, bits b7 to b0 are written, overwriting bits a1 and a0 with bits b7
and b6
? The data-pointer has to be set to the address of bit b1
? In the third write, bits c7 to c0 are written, overwriting bits b1 and b0 with bits c7 and
c6
Depending on the method of writing to the RAM (standard or entire filling by rewriting),
some elements remain unused or can be used, but it has to be considered in the module
layout process as well as in the driver software design.
PCF85162
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 5 September 2012
? NXP B.V. 2012. All rights reserved.
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相关代理商/技术参数 |
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|---|---|
| PCF85163T/1,518 | 制造商:NXP Semiconductors 功能描述:PCF85163T/SO8/REEL13DP//1 - Tape and Reel 制造商:NXP Semiconductors 功能描述:PHAPCF85163T/1,518 RTC |
| PCF85163T/1518 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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