BS85B12-3 HOLTEK [Holtek Semiconductor Inc], BS85B12-3 Datasheet - Page 18

• Manufacturer Part Number: BS85B12-3
• Description: Touch Key Flash Type 8-Bit MCU with LCD/LED Driver
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Rev. 1.00
V
V
V
V
V
I
ISCOM
ISSEG
VSSOM Voltage for LCD SCOM
VSSEG
R
Symbol
LV
OL2
OH1
OH2
LVR
LVD
PH
Output Low Voltage I/O Port
(PB) (High Current Enable)
Output High Voltage I/O Port
Output High Voltage I/O Port
(PA, PE) (High Current Enable)
LVR Voltage Level
LVD Voltage Level
Additional Power Consumption if
LVD is Used
SCOM Operating Current
SSEG Operating Current
Voltage for LCD SSEG
Pull-high Resistance for I/O Ports
Parameter
Touch Key Flash MCU with LCD/LED Driver
V
3V
5V
3V
5V
3V
5V
5V
5V
5V
5V
3V
5V
DD
I
I
I
I
I
I
LVR Enable, 2.55V option
LVDEN=1, V
LVDEN=1, V
LVDEN=1, V
LVDEN=1, V
LVDEN=1, V
LVDEN=1, V
LVDEN=1, V
LVDEN=1, V
NORMAL or SLOW Mode
IDLE or SLEEP Mode
ISEL[1:0]=00
ISEL[1:0]=01
ISEL[1:0]=10
ISEL[1:0]=11
ISEL[1:0]=00
ISEL[1:0]=01
ISEL[1:0]=10
ISEL[1:0]=11
1/3 V
2/3 V
1/3 V
2/3 V
OL
OL
OH
OH
OH
OH
Test Conditions
=18mA
=40mA
= 3.2mA
= 7.4mA
= 6.4mA
= 15.0mA
12
DD
DD
DD
DD
Conditions
LVD
LVD
LVD
LVD
LVD
LVD
LVD
LVD
=2.0V
=2.2V
=2.4V
=2.7V
=3.0V
=3.3V
=3.6V
=4.2V
BS85B12-3/BS85C20-3
Min.
17.5
17.5
140
140
2.7
4.5
2.7
4.5
35
70
35
70
20
10
5%
5%
5%
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
Typ.
2.55
2.00
2.20
2.40
2.70
3.00
3.30
3.60
4.20
25.0
25.0
0.33
0.67
0.33
0.67
100
200
100
200
15
50
50
60
30
2
Max.
February 1, 2011
+5%
+5%
+5%
+5%
+5%
+5%
+5%
+5%
+5%
+3%
+3%
+3%
+3%
32.5
32.5
130
260
130
260
100
0.3
0.5
30
65
65
50
5
Ta=25 C
Unit
V
V
V
V
k
k
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A
A
A
A
A
DD
DD
DD
DD