参数资料
型号: PCF8536AT/1,118
厂商: NXP Semiconductors
文件页数: 35/74页
文件大小: 0K
描述: IC LCD DRIVER LOW MPLEX 56TSSOP
特色产品: NXP - I2C Interface
标准包装: 1
显示器类型: LED,LCD
配置: 7段 + DP,14段 + DP + AP,点阵
接口: I²C
数字或字符: 20 字符,40 字符,320 元件
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: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 标准包装
其它名称: 568-8447-6
NXP Semiconductors
PCF8536
Universal LCD low multiplex driver with 6 channel PWM generator
8.9 Display RAM
The display RAM stores the LCD data. Depending on the multiplex drive mode, the
arrangement of the RAM is changed.
? multiplex drive 1:8: RAM is 40 ? 8 bit
? multiplex drive 1:6: RAM is 42 ? 6 bit
? multiplex drive 1:4: RAM is 44 ? 4 bit
Display RAM addresses (columns)/segment outputs (S)
Multiplex 1:8 drive mode
BP0
BP1
BP2
BP3
BP4
BP5
BP6
BP7
Multiplex 1:6 drive mode
BP0
BP1
BP2
BP3
BP4
BP5
Multiplex 1:4 drive mode
S0 S1 S2 S3 S4
S0 S1 S2 S3 S4
S0 S1 S2 S3 S4
S35 S36 S37 S38 S39
S35 S36 S37 S38 S39 S40 S41
S35 S36 S37 S38 S39 S40 S41 S42 S43
BP0
BP1
BP2
BP3
013aaa454
The display RAM bitmap shows the direct relationship between the display RAM column and the
segment outputs and between the bits in a RAM row and the backplane outputs.
Fig 20. Display RAM bitmap
Logic 1 in the RAM bit map indicates the on-state (V on(RMS) ) of the corresponding LCD
element; similarly, logic 0 indicates the off-state (V off(RMS) ). For more information on
V on(RMS) and V off(RMS) , see Section 8.4 .
There is a one-to-one correspondence between
? the bits in the RAM bitmap and the LCD elements,
PCF8536
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 21 February 2012
? NXP B.V. 2012. All rights reserved.
35 of 74
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