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TMP92CM22
2007-02-16
92CM22-223
4.3 AD Conversion Characteristics
Parameter Symbol Min Typ. Max Unit
Analog reference voltage (+) V
REFH
VCC − 0.2 VCC VCC
Analog reference voltage (−) V
REFL
VSS VSS VSS + 0.2
AD converter power supply voltage A
VCC
VCC VCC VCC
AD converter power supply ground A
VSS
VSS VSS VSS
Analog input voltage A
VIN
VREFL VREFH
V
Analog current for analog reference voltage
<VREFON>
= 1
I
REF
1.0 1.2 mA
Analog current for analog reference voltage
<VREFON>
= 0
0.02 5.0 UA
Total error
(Include quantize error of
± 0.5 LSB )
E
T
±1.0 ±4.0 LSB
4.4 Event Counter (TA0IN, TB1IN0, and TB1IN1)
Variable
f
SYS
=
20 MHz
(fc = 40 MHz)
f
SYS
=
125 kHz
(fc = 4 MHz)
Parameter Symbol
MIN MAX MIN MAX MIN MAX
Unit
Clock cycle T
VCK
8X + 100 500 64100 ns
Low-level clock width T
VCKL
4X + 40 240 32040 ns
High-level clock width T
VCKH
4X + 40 240 32040 ns
Note: Symbol “x” in the above table means the period of clock “f
SYS
”, it’s same period of the system clock “f
SYS
” for
CPU core. The period of f
SYS
depends on the clock gear setting or changing high-speed oscillator/low-speed
oscillator and so on.