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參數(shù)資料
| 型號： | PCF2105MU |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | LCD controller/driver |
| 中文描述： | LCD控制器/驅(qū)動器 |
| 文件頁數(shù)： | 20/48頁 |
| 文件大?。?/td> | 289K |
| 代理商： | PCF2105MU |
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1998 Jul 30
20
Philips Semiconductors
Product specification
LCD controller/driver
PCF2105
10 INTERFACE TO MICROCONTROLLER
(PARALLEL INTERFACE)
The PCF2105 can send data in either two 4-bit modes or
one 8-bit mode and can thus interface to 4 or 8-bit
microcontrollers.
In the 8-bit mode data is transferred as 8-bit bytes using
the 8 data lines DB7 to DB0. The control lines E, RS,
and R/W are required.
In the 4-bit mode data is transferred in two cycles of 4-bits
each. The higher order bits (corresponding to DB7 to DB4
in 8-bit mode) are sent in the first cycle and the lower order
bits (DB3 to DB0 in 8-bit mode) in the second cycle. Data
transfer is complete after two 4-bit data transfers. It should
be noted that two cycles are also required for the busy flag
check. The 4-bit mode is selected by instruction.
See Figs 13, 14 and 15 for examples of bus protocol.
In the 4-bit mode, the pads DB3 to DB0 must be left
open-circuit. They are pulled up to V
DD
internally.
Fig.13 4-bit transfer example.
MGA804
RS
E
DB7
R/W
DB6
DB5
DB4
instruction
write
busy flag and
address counter read
data register
read
IR7
IR3
BF
AC3
DR7
DR3
IR6
IR2
AC6
AC2
DR6
DR2
IR5
IR1
AC5
AC1
DR5
DR1
IR4
IR0
AC4
AC0
DR4
DR0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF2105MU/2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/driver |
| PCF2105MU/7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| PCF210AA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:SPI Real time clock/calendar Time keeping application |
| PCF2110 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| PCF2111 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD drivers |
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