HT83R074 Datasheet, PDF (19/38 Pages) Holtek Semiconductor Inc – Q-Voice

Option
PA Wake-up
Option
Watchdog Timer (WDT)
PA Pull-high
PB Pull-high
OSC Option
f_OSC - R_OSC Table (V_DD=3V)
f_OSC
4MHz±10%
6MHz±10%
8MHz±10%
HT83R074
Description
Enable or disable PA wake-up function
Enable or disable WDT function.
WDT clock source is from WDTOSC or T1
Enable or disable PA pull-high
Enable or disable PB pull-high
Crystal or Resistor type
R_TYPICAL
275kW
188kW
144kW
Application Circuits
V DD
VDD
O SC2
VSS
O SC1
V DD
100kW
0 .1 m F
C
RES
P A 0~P A 7
P B 0~P B 3
VDDP
VSSP
PW M 1
PW M 2
H T83R 074
R OSC
V DD
47mF
S peaker
(8 W /1 6 W )
Single PWM Mode
Rev. 1.00
V DD
VDD
VSS
O SC2
O SC1
V DD
100kW
0 .1 m F
C
RES
P A 0~P A 7
P B 0~P B 3
VDDP
VSSP
PW M 1
PW M 2
H T83R 074
4M H z~8M H z
V DD
V DD
47mF
S peaker
(8 W /1 6 W )
Q2
NPN BCE
19
May 17, 2007