TMP92CF30
2009-06-12
92CF30-11
Table 2.2.1 Pin names and functions (6/6)
Pin name
Number
of Pins
I/O Functions
D
+
, D
−
2
I/O
USB-data connecting pin
Connect pull-up(DVCC3A) or pull-down resistor to both pins to avoid through current when
USB is not in use.
NMI
1
Input
Non-maskable interrupt pin.
AM1, AM0
2
Input
Operation mode;
Fix to AM1
=
“0”,AM0
=
“1” for 16 bit external bus starting
Fix to AM1
=
“1”,AM0
=
“0” for 32 bit external bus starting
Fix to AM1
=
“1”,AM0
=
“1” is prohibited to set
Fix to AM1
=
“0”,AM0
=
“0” is prohibited to set
X1/X2 2
I/O
High-frequency
oscillator circuit connection pin
XT1/XT2 2
I/O
Low-frequency
oscillator circuit connection pin
RESET
1
Input
Reset: Initialize TMP92CF30 (Schmitt-input , with pull-up resistor)
VREFH
1
Input
Pin for reference voltage input to AD converter(H)
VREFL
1
Input
Pin for reference voltage input to AD converter(L)
AVCC 1
−
Power supply pin for AD converter
AVSS 1
−
GND pin for AD converter (0V)
DVCC3A 8
−
Power supply pin for peripheral I/O-A (All DVCC3A pins should be connected to the power
supply pin )
DVCC1A 4
−
Power supply pin for internal logic-A (All DVCC1A pins should be connected to the power
supply pin )
DVCC1B 1
−
Power supply pin for internal logic-B (Keep the voltage DVCC1A level )
DVSSCOM 8
−
GND pin (0V) (All DVSS pins should be connected to GND(0V))
DVCC1C 1
−
Power supply pin for High speed oscillator (Keep the voltage DVCC1A level )
DVSS1C 1
−
GND pin (0V) (DVSS1C pin should be connected to GND(0V))
Table 2.2.2 shows the range of operational voltage for power supply pins.
Table 2.2.2 the range of operational voltage for power supply pins
Power supply pin
Range of
operational
voltage
DVCC1A
DVCC1B
DVCC1C
1.4V~1.6V
DVCC3A
AVCC
3.0V~3.6V
Содержание TLCS-900/H1 Series
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