RFM23
Table 5. Auxiliary Block Specifications
1
Parameter
Temperature Sensor
Accuracy
2
Temperature Sensor
Sensitivity
2
Low Battery Detector
Resolution
2
Low Battery Detector
Conversion Time
2
Microcontroller Clock
Output Frequency
Symbol
Conditions
When calibrated using temp
sensor offset register
Min
—
—
—
—
Configurable to 30 MHz,
Typ
0.5
5
50
250
Max
—
—
—
—
Units
°
C
mV/°
C
mV
μs
TS
A
TS
S
LBD
RES
LBD
CT
MC
15 MHz, 10 MHz, 4 MHz,
3 MHz, 2 MHz, 1 MHz, or
32.768 kHz
32.768K
—
30M
Hz
General Purpose ADC
Accuracy
2
General Purpose ADC
Resolution
2
Temp Sensor & General
Purpose ADC Conversion
Time
2
30 MHz XTAL Start-Up time
ADC
ENB
ADC
RES
ADC
CT
With the recommended XTAL
—
—
8
4
—
—
bit
mV
—
305
—
μsec
t
30M
30 MHz XTAL Cap
Resolution
2
32 kHz XTAL Start-Up Time
2
parameters shown in Table 26
See "5.8. Crystal Oscillator" for
—
1
—
ms
30M
RES
t
32K
32K
RES
32KRC
RES
t
POR
t
soft
total load
capacitance calculation
—
—
—
—
—
—
97
6
100
2500
16
100
—
—
—
—
—
—
fF
sec
ppm
ppm
ms
μs
32 kHz XTAL Accuracy
2
32 kHz RC OSC Accuracy
2
POR Reset Time
Software Reset Time
2
Notes:
1.
All specification guaranteed by production test unless otherwise noted.
2.
Guaranteed by qualification.
8
Tel: +86-755-82973805
Fax: +86-755-82973550
E-mail: sales@hoperf.com
http://www.hoperf.com
HOPERF [ Hope Microelectronics co., Ltd ]
