HT46R232/HT46C232
A.C. Characteristics
Test Conditions
Symbol
Parameter
V
DD
f
SYS
System Clock
Timer I/P Frequency
(TMR0/TMR1)
Watchdog Oscillator Period
5V
t
RES
t
SST
t
INT
t
AD
t
ADC
t
ADCS
t
IIC
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
A/D Clock Period
A/D Conversion Time
A/D Sampling Time
I
2
C Bus Clock Period
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
3V
Conditions
2.2V~5.5V
3.3V~5.5V
2.2V~5.5V
3.3V~5.5V
¾
¾
¾
Wake-up from HALT
¾
¾
¾
¾
Connect to external
pull-high resistor 2kW
400
400
0
0
45
32
1
¾
1
1
¾
¾
64
¾
¾
¾
¾
90
65
¾
1024
¾
¾
76
32
¾
4000
8000
4000
8000
180
130
¾
¾
¾
¾
¾
¾
¾
kHz
kHz
kHz
kHz
ms
ms
ms
*t
SYS
ms
ms
t
AD
t
AD
*t
SYS
Min.
Typ.
Max.
Unit
Ta=25°C
f
TIMER
t
WDTOSC
Note: *t
SYS
=1/f
SYS
Rev. 1.50
5
January 21, 2009