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參數資料
型號: W53342
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 60" Voice/Melody/LCD Controller(60”話音/音樂/LCD控制器)
中文描述: 4-BIT, MROM, MICROCONTROLLER
文件頁數: 36/65頁
文件大小: 719K
代理商: W53342
W53322/W53342
- 36 -
VDD =3V
C
H
I
P
DH2
VDD
VDD2
VDD3
VSS
V5
V4
V3
V2
V6
DH1
+
-
1. 1/7 bias for 32 common
(1/5 bias for 16 common)
2. External LCD power
at VDD=3 volt
3. Disable internal LCD pump
voltage
4. Enable internal V2~V6
shunt resistor
External LCD power source
(VLCD<3*VDD)
Figure 19. External LCD voltage and external shunt resistor at VDD=3v
VDD =4.5V
C
H
I
P
DH2
VDD
VDD2
VDD3
VSS
V5
V4
V3
V2
V6
DH1
+
-
1. 1/7 bias for 32 common
(1/5 bias for 16 common)
2. External LCD power
at VDD=3 volt
3. Disable internal LCD pump
voltage
4. Enable internal V2~V6
shunt resistor
External LCD power source
(VLCD<2*VDD)
Figure 20. External LCD voltage and external shunt resistor at VDD=4.5v
相關PDF資料
PDF描述
W53322 60" Voice/Melody/LCD Controller(60”話音/音樂/LCD控制器)
W536030A VOICE/ MELODY / LCD CONTROLLER
W536060A VOICE/ MELODY / LCD CONTROLLER
W536090A VOICE/ MELODY / LCD CONTROLLER
W536030P VOICE & MELODY CONTROLLER
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