
ML610471/472/473/Q471/Q472/Q473 User's Manual
Appendix C Electrical Characteristics
Appendix C–10
●
AC CHARACTERISTICS (RC Oscillation A/D Converter)
Condition for V
DD
=1.8 to 3.6V
(V
DD
=1.8 to 3.6V, V
SS
=0V, Ta=-20 to +70°C, Ta=-40 to +85°C for P version, unless otherwise specified)
Rating
Parameter Symbol
Condition
Min. Typ. Max.
Unit
Oscillation resistor
RS1,RT1
CS0, CT0, CS1
≥
740pF
1
―
―
k
Ω
f
OSC1
Resistor for oscillation=1k
Ω
457.3
525.2 575.1
kHz
f
OSC2
Resistor for oscillation=10k
Ω
53.48
58.18
62.43
kHz
Oscillation frequency
V
DD
= 3.0V
f
OSC3
Resistor for oscillation=100k
Ω
5.43 5.89 6.32 kHz
Kf1
RT1=1k
Ω
7.972
9.028 9.782
⎯
Kf2
RT1=10k
Ω
0.981
1
1.019
⎯
RS to RT oscillation
frequency ratio
*1
V
DD
= 3.0V
Kf3
RT1=100k
Ω
0.099
0.101
0.104
⎯
*
1
: Kfx is the ratio of the oscillation frequency by the sensor resistor to the oscillation frequency by the reference resistor on the
same conditions.
f
OSCX
(RT1-CS1 oscillation)
Kfx =
f
OSCX
(RS1-CS1 oscillation) ,
( x = 1, 2, 3 )
V
DD
V
DDL
C
L
V
SS
C
V
RT1: 1k
Ω
/10k
Ω
/100k
Ω
RS1: 10k
Ω
CS1: 560pF
CVR1: 820pF
RCM
Frequency measurement (f
OSCX
)
Input pin
VIH
VIL
*1: Input logic circuit to determine the
specified measuring conditions.
IN1 CS1 RS1 RT1
CS1
RS1
RT1
CVR1
(*1)
Содержание ML610471
Страница 12: ...Chapter 1 Overview...
Страница 38: ...Chapter 2 CPU and Memory Space...
Страница 44: ...Chapter 3 Reset Function...
Страница 48: ...Chapter 4 MCU Control Function...
Страница 62: ...Chapter 5 Interrupts...
Страница 82: ...Chapter 6 Clock Generation Circuit...
Страница 94: ...Chapter 7 Time Base Counter...
Страница 105: ...Chapter 8 Capture...
Страница 114: ...Chapter 9 Timer...
Страница 133: ...Chapter 10 Watchdog Timer...
Страница 141: ...Chapter 11 UART...
Страница 164: ...Chapter 12 Port 0...
Страница 173: ...Chapter 13 Port 2...
Страница 180: ...Chapter 14 Port 3...
Страница 188: ...Chapter 15 Port 4...
Страница 199: ...Chapter 16 Port 6...
Страница 205: ...Chapter 17 RC Oscillation Type A D Converter...
Страница 225: ...Chapter 18 LCD Drivers...
Страница 243: ...Chapter 19 Power Supply Circuit...
Страница 245: ...Chapter 20 uEASE Flash Writer System...
Страница 249: ...Chapter 21 Software Development...
Страница 258: ...Appendixes...
Страница 280: ...Revision History...