4�½�MASK LCD型单片机芯片BL2456
Main operating：
Vdd = 5 V ± 10%
CPU = fx/4
6.0MHz
SCMOD = 0000B
4.19MHz
Crystal
oscillator
C1 = C2 = 22 pF
Vdd = 3 V ± 10%
6.0MHz
4.19MHz
I
DD1
3.5
2.5
8
5.5
1.6
1.2
4
3
I
DD2
Main idel mode：
VDD = 5 V ± 10%
CPU = fx/4
6.0MHz
SCMOD = 0000B
4.19MHz
Crystal
oscillator
C1 = C2 = 22 pF
Vdd = 3 V ± 10%
6.0MHz
4.19MHz
mA
1
0.9
2.5
2
0.5
0.4
1.0
0.8
功耗
I
DD3
Sub operating：
VDD = 3 V ± 10%
CPU = fxt/4
SCMOD = 1001B
32 KHz Crystal oscillator
Sub idle mode：
VDD = 3 V ± 10%
CPU = fxt/4
SCMOD = 1001B
32 KHz Crystal oscillator
Stop mode：
VDD = 5 V ± 10%
CPU = fxt/4
SCMOD = 1101B
Stop mode：
VDD = 5 V ± 10%
CPU = fx/4
SCMOD = 0100B
15
30
I
DD4
6
15
uA
I
DD5
0.5
3
I
DD6
注：
1．I
DD1
~I
DD6
的电流不包括通过内部上拉电阻和 LCD 分压电阻的电流
2．I
DD2
包括子系统时钟振荡的功耗
3．�½�系统时钟模式寄存器 SCMOD 被设为 0100B,子系统振荡停止，主系统
振荡通过 STOP 指令停止
http://www.belling.com.cn
-8-
Total
11 Pages
8/24/2006
Wrote by dipeng
BELLING [ SHANGHAI BELLING CO., LTD. ]
