- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄385397 > HT1621 (Holtek Semiconductor Inc.) RAM Mapping 32 x 4 LCD Controller for I/O μC(存儲器映射、用于I/O接口微機(jī)的32 x 4模式LCD控制器) PDF資料下載
參數(shù)資料
| 型號： | HT1621 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | RAM Mapping 32 x 4 LCD Controller for I/O μC(存儲器映射、用于I/O接口微機(jī)的32 x 4模式LCD控制器) |
| 中文描述： | 內(nèi)存映射32 × 4 LCD控制器的I / O微控制（存儲器映射，用于的I / O接口微機(jī)的32 × 4模式液晶顯示控制器） |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 168K |
| 代理商： | HT1621 |
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max. Unit
V
DD
Conditions
f
SYS1
System Clock
3V
On-chip RC oscillator
256
kHz
5V
256
kHz
f
SYS2
System Clock
3V
Crystal oscillator
32.768
kHz
5V
32.768
kHz
f
SYS3
System Clock
3V
External clock source
256
kHz
5V
256
kHz
f
LCD
LCD Clock
On-chip RC oscillator
f
SYS1
/1024
Hz
Crystal oscillator
f
SYS2
/128
Hz
External clock source
f
SYS3
/1024
Hz
t
COM
n: Number of COM
n/f
LCD
s
f
CLK1
Serial Data Clock (WR pin)
3V
Duty cycle 50%
150
kHz
5V
300
kHz
f
CLK2
Serial Data Clock (RD pin)
3V
Duty cycle 50%
75
kHz
5V
150
kHz
f
TONE
Tone Frequency
On-chip RC oscillator
2.0 or 4.0
kHz
t
CS
Serial Interface Reset Pulse
Width
(Figure 3)
CS
250
ns
t
CLK
WR, RD Input Pulse Width
(Figure 1)
3V
Write mode
3.34
s
Read mode
6.67
5V
Write mode
1.67
s
Read mode
3.34
t
r
, t
f
Rise/Fall Time Serial Data
Clock Width
(Figure 1)
3V
120
ns
5V
t
su
Setup Time for DATA to WR,
RD Clock Width (Figure 2)
3V
120
ns
5V
t
h
Hold Time for DATA to WR,
RD Clock Width (Figure 2)
3V
120
ns
5V
t
su1
Setup Time for CS to WR, RD
Clock Width
(Figure 3)
3V
100
ns
5V
t
h1
Hold Time for CS to WR, RD
Clock Width
(Figure 3)
3V
100
ns
5V
HT1621
8
January 10, 2001
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT16220 | RAM Mapping 32 x 8 LCD Controller for I/O μC(存儲器映射、用于I/O接口微機(jī)的32 x 8模式LCD控制器) |
| HT1622 | RAM Mapping 32 x 8 LCD Controller for I/O μC(存儲器映射、用于I/O接口微機(jī)的32 x 8模式LCD控制器) |
| HT1623 | RAM Mapping 48x8 LCD Controller for I/O C |
| HT1625 | RAM Mapping 64x 8 LCD Controller for I/O C |
| HT1626 | RAM Mapping 48x16 LCD Controller for I/O C |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT1621(100QFP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
| HT1621_05 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:RAM Mapping 32x4 LCD Controller for I/O MCU |
| HT1621_09 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:RAM Mapping 324 LCD Controller for I/O MCU |
| HT1621_10 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:RAM Mapping 324 LCD Controller for I/O MCU |
| HT1621B | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:RAM Mapping 324 LCD Controller for I/O MCU |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。