Holtek BS66F340 - Page 33

Rev. 1.60 32 August 20, 2019 Rev. 1.60 33 August 20, 2019
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
Touch Key RC Oscillator 1000kHz Mode Selected
Symbol Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
I
KEYOSC
Only Sensor (KEY) Oscillator
Operating Current
3V
*f
SENOSC
=1000kHz
— 40 80
µA
5V — 80 160
I
REFOSC
Only Reference Oscillator Operating
Current
3V
*f
REFOSC
=1000kHz, MnTSS=0
— 40 80
µA
5V — 80 160
3V
*f
REFOSC
=1000kHz, MnTSS=1
— 40 80
µA
5V — 80 160
C
KEYOSC
Sensor (KEY) Oscillator External
Capacitor
3V
*f
SENOSC
=1000kHz
3 10 25 pF
5V 5 10 20 pF
C
REFOSC
Reference Oscillator internal
Capacitor
3V
*f
SENOSC
=1000kHz
3 10 25 pF
5V 5 10 20 pF
f
KEYOSC
Sensor (KEY) Oscillator Operating
Frequency
3V
* C
EXT
=3, 4, 5, 6, 7, 8, 9, … 50pF
150 1000 2000 kHz
5V 150 1000 2000 kHz
f
REFOSC
Reference Oscillator Operating
Frequency
3V
* C
INT
=3, 4, 5, 6, 7, 8, 9, … 50pF
150 1000 2000 kHz
5V 150 1000 2000 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. Typ. Max. Unit
V
DD
Conditions
I
KEYOSC
Only Sensor (KEY) Oscillator
Operating Current
3V
*f
SENOSC
=1500kHz
— 60 120
µA
5V — 120 240
I
REFOSC
Only Reference Oscillator Operating
Current
3V
*f
REFOSC
=1500kHz, MnTSS=0
— 60 120
µA
5V — 120 240
3V
*f
REFOSC
=1500kHz, MnTSS=1
— 60 120
µA
5V — 120 240
C
KEYOSC
Sensor (KEY) Oscillator External
Capacitor
3V
*f
SENOSC
=1500kHz
4 8 20 pF
5V 5 10 20 pF
C
REFOSC
Reference Oscillator internal
Capacitor
3V
*f
SENOSC
=1500kHz
4 8 20 pF
5V 5 10 20 pF
f
KEYOSC
Sensor (KEY) Oscillator Operating
Frequency
3V
* C
EXT
=3, 4, 5, 6, 7, 8, 9, … 50pF
150 1500 3000 kHz
5V 150 1500 3000 kHz
f
REFOSC
Reference Oscillator Operating
Frequency
3V
* C
EXT
=3, 4, 5, 6, 7, 8, 9, … 50pF
150 1500 3000 kHz
5V 150 1500 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.