TTP259
TonTouchTM
Preliminary
§ AC Characteristics: (Test condition at room temperature=25oC)
Parameter
Test Condition
Min. Typ. Max. Unit
External Reset
Low active pulse width tRES
2
-
-
CPU
clock
CPU
Interrupt input
Wake up input
Low active pulse width tINT
2
-
-
clock
Low active pulse width tWKUP,
Application de-bounce should be
manipulated by user’ software
2
-
-
-
-
OSCL
Hz
System Oscillator
Frequency
FOSCH (Built-in RC)
FOSCL (Built-in RC)
VDD=5.0V
VDD=5.0V
4M
Peripheral
Oscillator
Frequency
Hz
-
16K
-
wake-up from
off mode
TOSCH (Built-in RC)
TOSCL (Built-in RC)
8
8
-
-
-
-
TOSCH
TOSCL
Startup Period of
Oscillators
Wake-up from
off mode
OSCLÆOSCH
TOSCH (Built-in RC)
TOSCL (Built-in RC)
8
-
-
TOSCL
and OSCH off
Stable Time
Of System Clock
Switching
(If H/L=0 then OSCH stop)
OSCHÆOSCL
-
-
-
-
TOSCL
and OSCL on
Timer/Counter Input frequency rating, no de-bounce
input clock
frequency
circuit built-in,
VDD=5V
DC
-
4M
Hz
System Stable After power up, the system needs to
Time after
Power up
initialize the configured state and
OST
-
40
ms
2015/05/25
Page 10 of 81
Ver: 1.1
TTELEC [ TT Electronics ]
