Rev. 1.40
4�
De�e��e� 1�� �01�
Rev. 1.40
43
De�e��e� 1�� �01�
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Touch Key RC Oscillator 2000kHz mode selected
Symbol
Parameter
Test Conditions
Min.
Max. Unit
V
DD
Conditions
I
KEYOSC
Only Sensor (KEY) Oscillator Operating
Cu��ent
3V
*f
SENOSC
=2000kHz
—
80
1�0
μA
�V
—
1�0 3�0
I
REFOSC
Only Refe�en�e Os�illato� Ope�ating
Cu��ent
3V
*f
REFOSC
=2000kHz, MnTSS=0
—
80
1�0
μA
�V
—
1�0 3�0
3V
*f
REFOSC
=2000kHz, MnTSS=1
—
80
1�0
μA
�V
—
1�0 3�0
C
KEYOSC
Sensor (KEY) Oscillator External Capacitor
3V
*f
SENOSC
=�0
00kHz
4
8
�0
pF
�V
�
10
�0
pF
C
REFOSC
Refe�en�e Os�illato� Inte�nal Capa�ito�
3V
*f
SENOSC
=�0
00kHz
4
8
�0
pF
�V
�
10
�0
pF
f
KEYOSC
Sensor (KEY) Oscillator Operating
F�equen�y
3V * C
EXT
=3� 4� �� �� 7� 8� 9� …
�0pF
1�0 �000 4000
kHz
�V
1�0 �000 4000
kHz
f
REFOSC
Refe�en�e Os�illato� Ope�ating F�equen�y
3V * C
EXT
=3� 4� �� �� 7� 8� 9� …
�0pF
1�0 �000 4000
kHz
�V
1�0 �000 4000
kHz
Note: 1. f
SENOSC
=2000kHz: Adjust KEYn external capacitor to make sure that the Sensor oscillator frequency is
equal to 2000kHz.
2. f
REFOSC
=2000kHz: Adjust Reference oscillator internal capacitor to make sure that the reference oscillator
frequency is equal to 2000kHz.
Power-on Reset Characteristics
Ta=��°C
Symbol
Parameter
Test Conditions
Min.
Max. Unit
V
DD
Conditions
V
POR
V
DD
Sta�t Voltage to Ensu�e Powe�-on Reset
—
—
—
—
100
�V
RR
POR
V
DD
Rising Rate to Ensu�e Powe�-on Reset
—
—
0.03�
—
—
V/ms
t
POR
Mini�u� Ti�e fo� V
DD
Stays at V
POR
to Ensu�e
Powe�-on Reset
—
—
1
—
—
�s