參數(shù)資料
型號(hào)： UPD78046H
廠商： NEC Corp.
元件分類： DC/DC變換器
英文描述： 1 watt dc-dc converters
中文描述： 1瓦的DC - DC轉(zhuǎn)換器
文件頁數(shù)： 11/58頁
文件大?。?/td> 552K
代理商： UPD78046H
11
μ
PD78044H, 78045H, 78046H
3.2 PINS OTHER THAN PORT PINS
On reset
Shared by:
Input
P00/TI0
P01
P02
Input
P03
Input
P20
Input
P21
Input
P22
Input
P00/INTP0
Input
P30
P31
P32
Input
P35
Input
P36
Output
P80, P81
P90-P97
Output
P100-P105
Output
P106, P107
Input
P110-P117
P120-P127
—
—
Input
P10-P17
—
—
—
—
—
—
—
—
—
—
—
—
Input
P04
—
—
—
—
—
—
—
—
ANI0-ANI7
Input
A/D converter analog input lines
AV
REF
Input
A/D converter reference voltage input line
AV
DD
—
Analog power supply to A/D converter. Connected to the V
DD
pin.
AV
SS
—
A/D converter ground line. Connected to the V
SS
pin.
RESET
Input
System reset input
X1
Input
Connect crystal for main system clock oscillation
X2
—
XT1
Input
Connect crystal for subsystem clock oscillation
XT2
—
V
DD
—
Positive power supply
V
SS
—
Ground potential
IC
—
Internal connection. Connected directly to the V
SS
pin.
Pin
I/O
Function
INTP0
Input
Valid edge (rising, falling, or both rising and falling edges) can
INTP1
be specified.
INTP2
External interrupt input
INTP3
Falling edge-active external interrupt input
SI1
Input
Serial data input lines of serial interface
SO1
Output
Serial data output lines of serial interface
SCK1
I/O
Serial clock I/O lines of serial interface
TI0
Input
External count clock input to 16-bit timer (TM0)
TO0
Output
16-bit timer output (multiplexed with 14-bit PWM output)
TO1
8-bit timer (TM1) output
TO2
8-bit timer (TM2) output
PCL
Output
Clock output (for trimming main system clock and subsystem
clock)
BUZ
Output
Buzzer output
FIP0, FIP1
Output
High-voltage, high-current digit/segment output of FIP
FIP2-FIP9
controller/driver
FIP10-FIP15
Output
High-voltage, high-current digit/segment output of FIP
controller/driver
FIP16, FIP17
Output
High-voltage segment output of FIP controller/driver
FIP18-FIP25
FIP26-FIP33
V
LOAD
—
Connects pull-down resistor to FIP controller/driver
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