HA16117FPA RENESAS [Renesas Technology Corp], HA16117FPA Datasheet - Page 2

• Manufacturer Part Number: HA16117FPA
• Description: CMOS Watchdog Timer
• Manufacturer: RENESAS [Renesas Technology Corp]

HA16117F Series
Pin Arrangement
Pin Description
1
2
3
4
5
6
7
8
Note: The low-voltage threshold cannot be modified by changing the external resistors connected to the Tadj pin.
Rev.3.00 Jun 15, 2005 page 2 of 30
Pin No.
P-RUN
ACC
V
C
C
RES
GND
Tadj *
CC
F
R
Symbol
Power supply voltage input
Watchdog timer (WDT) input
Connected capacitor C
(normal frequency range)
Connected capacitor C
and t
Reset signal output from WDT and voltage supervision circuits
Ground
WDT on/off control input (on when ACC is low)
For adjusting t
RL
for auto-reset
RH
P-RUN
and t
V
C
C
CC
R
F
OFF
(Top view)
F
R
1
2
3
4
determines WDT filter characteristic
determines t
(divide V
8
7
6
5
Tadj
ACC
GND
RES
CC
ON
to get the adjustment voltage)
Function
for power-on reset and t
OFF
, t
RH
,