参数资料
| 型号： | OM4068H/2,518 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 14/28页 |
| 文件大小： | 0K |
| 描述： | IC LCD DRIVER 44-QFP |
| 产品培训模块： | LCD Driver |
| 标准包装： | 1 |
| 显示器类型： | LCD |
| 配置： | 32 段 |
| 接口： | 串行 |
| 电流 - 电源： | 12µA |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-PQFP（10x10） |
| 包装： | 标准包装 |
| 产品目录页面： | 844 (CN2011-ZH PDF) |
| 其它名称： | 568-4513-6 |
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f fr(LCD) = -------------
Philips Semiconductors
LCD driver for low multiplex rates
Display latch
The 96-bit display latch holds the display data while the
corresponding multiplex signals are generated. There is a
one-to-one relationship between the data in the display
latch and the LCD segment outputs. An LCD segment is
activated when the corresponding data bit in the display
latch is HIGH.
Display latches are in HOLD mode (SCE HIGH) during the
shift operation to maintain the display data constant.
Data are latched into the display latch with the internal
frame clock. Thus there is a delay of up to one half frame
before new data are latched after signal SCE returns to
zero.
Shift register con?guration
Product speci?cation
OM4068
Timing
The timing of the OM4068 organizes the internal data flow
of the device. This includes the transfer of display data
from the shift register to the display segments outputs.
The timing also generates the LCD frame frequency which
is derived from the clock frequency generated in the
internal clock generator:
f osc
2400
handbook, full pagewidth
1
32
64
96
96-bit shift register
SDIN
D1A
32-bit register
D32A
SDOUT
driving mode: static; (M1, M0) = 01
SDIN
D1A
32-bit register
D32A D1B
32-bit register
D32B
SDOUT
driving mode: duplex (1 : 2); (M1, M0) = 10
SDIN
D1A
32-bit register
D32A D1B
32-bit register
D32B
D1C
32-bit register
D32C
SDOUT
driving mode: triplex (1 : 3); (M1, M0) = 11
Fig.9 Display data bit position in shift register.
MBK823
1998 Jun 18
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OM4068P | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:LCD driver for low multiplex rates |
| OM4068U | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:LCD driver for low multiplex rates |
| OM4068U/5 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:LCD driver for low multiplex rates |
| OM4085 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
| OM4085T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
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