Toshiba H1 SERIES TLCS-900 - Manual (Page 225)

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
= 1
I
REF
1.0 1.2 mA
Analog current for analog reference voltage
= 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.