Rev. 1.40
4�
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Rev. 1.40
43
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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 1000kHz Mode Selected
Symbol
Parameter
Test Conditions
Min.
Max. Unit
V
DD
Conditions
I
KEYOSC
Only Sensor (KEY) Oscillator Operating
Cu��ent
3V
*f
SENOSC
=1000kHz
—
40
80
μA
�V
—
80
1�0
I
REFOSC
Only Refe�en�e Os�illato� Ope�ating
Cu��ent
3V
*f
REFOSC
=1000kHz, MnTSS=0
—
40
80
μA
�V
—
80
1�0
3V
*f
REFOSC
=1000kHz, MnTSS=1
—
40
80
μA
�V
—
80
1�0
C
KEYOSC
Sensor (KEY) Oscillator External Capacitor
3V
*f
SENOSC
=10
00kHz
3
10
��
pF
�V
�
10
�0
pF
C
REFOSC
Refe�en�e Os�illato� Inte�nal Capa�ito�
3V
*f
SENOSC
=10
00kHz
3
10
��
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 1000 �000
kHz
�V
1�0 1000 �000
kHz
f
REFOSC
Refe�en�e Os�illato� Ope�ating F�equen�y
3V * C
INT
=3� 4� �� �� 7� 8� 9� …
�0pF
1�0 1000 �000
kHz
�V
1�0 1000 �000
kHz
Note: 1. f
SENOSC
=1000kHz: Adjust KEYn external capacitor to make sure that the Sensor oscillator frequency is
equal to 1000kHz.
2. f
REFOSC
=1000kHz: Adjust Reference oscillator internal capacitor to make sure that the reference oscillator
frequency is equal to 1000kHz.
Touch Key RC Oscillator 1500kHz Mode Selected
Symbol
Parameter
Test Conditions
Min.
Max. Unit
V
DD
Conditions
I
KEYOSC
Only Sensor (KEY) Oscillator Operating
Cu��ent
3V
*f
SENOSC
=1500kHz
—
�0
1�0
μA
�V
—
1�0 �40
I
REFOSC
Only Refe�en�e Os�illato� Ope�ating
Cu��ent
3V
*f
REFOSC
=1500kHz, MnTSS=0
—
�0
1�0
μA
�V
—
1�0 �40
3V
*f
REFOSC
=1500kHz, MnTSS=1
—
�0
1�0
μA
�V
—
1�0 �40
C
KEYOSC
Sensor (KEY) Oscillator External Capacitor
3V
*f
SENOSC
=1�
00kHz
4
8
�0
pF
�V
�
10
�0
pF
C
REFOSC
Refe�en�e Os�illato� Inte�nal Capa�ito�
3V
*f
SENOSC
=1�
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 1�00 3000
kHz
�V
1�0 1�00 3000
kHz
f
REFOSC
Refe�en�e Os�illato� Ope�ating F�equen�y
3V * C
EXT
=3� 4� �� �� 7� 8� 9� …
�0pF
1�0 1�00 3000
kHz
�V
1�0 1�00 3000
kHz
Note: 1. f
SENOSC
=1500kHz: Adjust KEYn external capacitor to make sure that the Sensor oscillator frequency is
equal to 1500kHz.
2. f
REFOSC
=1500kHz: Adjust Reference oscillator internal capacitor to make sure that the reference oscillator
frequency is equal to 1500kHz.