Holtek BS66F340 - LVD;LVR Electrical Characteristics; Touch Key Electrical Characteristics

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
LVD/LVR Electrical Characteristics
Ta=25°C
Symbol Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
V
LVR
Low Voltage Reset Voltage —
LVR Enable, voltage select 2.10V
-5%
2.1
+5% V
LVR Enable, voltage select 2.55V 2.55
LVR Enable, voltage select 3.15V 3.15
LVR Enable, voltage select 3.80V 3.8
V
LVD
Low Voltage Detector Voltage —
LVD Enable, voltage select 2.00V
-5%
2.0
+5% V
LVD Enable, voltage select 2.20V 2.2
LVD Enable, voltage select 2.40V 2.4
LVD Enable, voltage select 2.70V 2.7
LVD Enable, voltage select 3.00V 3.0
LVD Enable, voltage select 3.30V 3.3
LVD Enable, voltage select 3.60V 3.6
LVD Enable, voltage select 4.00V 4.0
V
BG
Bandgap Reference Voltage — — -5% 1.04 +5% V
I
OP
LVD/LVR Operating Current
5V LVD/LVR Enable, VBGEN=0 — 20 25 μA
5V LVD/LVR Enable, VBGEN=1 — 25 30 μA
t
BGS
V
BG
Turn on Stable Time ─ No load — — 150 μs
t
LVDS
LVDO Stable Time
—
For LVR enable, VBGEN=0,
LVD off→on
— — 15 μs
—
For LVR disable, VBGEN=0,
LVD off→on
— — 150 μs
t
LVR
Minimum Low Voltage Width to Reset — — 120 240 480 μs
t
LVD
Minimum Low Voltage Width to
Interrupt
— — 60 120 240 μs
Touch Key Electrical Characteristics
Ta=25°C
Touch Key RC Oscillator 500kHz Mode Selected
Symbol Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
I
KEYOSC
Only Sensor (KEY) Oscillator
Operating Current
3V
*f
SENOSC
=500kHz
— 30 60
µA
5V — 60 120
I
REFOSC
Only Reference Oscillator Operating
Current
3V
*f
REFOSC
=500kHz, MnTSS=0
— 30 60
µA
5V — 60 120
3V
*f
REFOSC
=500kHz, MnTSS=1
— 30 60
µA
5V — 60 120
C
KEYOSC
Sensor (KEY) Oscillator External
Capacitor
3V
*f
SENOSC
=500kHz
3 10 30 pF
5V 5 10 20 pF
C
REFOSC
Reference Oscillator Internal
Capacitor
3V
*f
SENOSC
=500kHz
3 10 30 pF
5V 5 10 20 pF
f
KEYOSC
Sensor (KEY) Oscillator Operating
Frequency
3V
* C
EXT
=7, 8, 9, 10, 11, 12, 13,
14, 15, … 50pF
100 500 1000 kHz
5V 100 500 1000 kHz
f
REFOSC
Reference Oscillator Operating
Frequency
3V
* C
INT
=7, 8, 9, 10, 11, 12, 13,
14, 15, … 50pF
100 500 1000 kHz
5V 100 500 1000 kHz
Note: 1. f
SENOSC
=500kHz: Adjust KEYn external capacitor to make sure that the Sensor oscillator frequency is equal
to 500kHz.
2. f
REFOSC
=500kHz: Adjust Reference oscillator internal capacitor to make sure that the reference oscillator
frequency is equal to 500kHz.