參數(shù)資料
型號: HCD404084
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機)
中文描述: 低電壓如同在微機芯片的A / D轉(zhuǎn)換器(帶片上的A / D轉(zhuǎn)換器的低壓微計算機)
文件頁數(shù): 18/162頁
文件大小: 482K
代理商: HCD404084
HD404374/HD404384/HD404389/HD404082/HD404084 Series
18
HD404389 Series
Pin Number
Item
Symbol
FP-30D
I/O
Function
Power
supply
V
CC
2
Apply the power supply voltage to this pin.
GND
1
Connect to ground.
Test
TEST
11
Input
Not for use by the user application. Connect to GND potential.
Reset
RESET
14
Input
Used to reset the MCU.
Oscillation OSC
1
12
Input
Internal oscillator input/output pins. Connect a ceramic resonator,
crystal resonator, or external oscillator circuit.
OSC
2
13
Output
When using CR oscillation, connect a resistor.
Port
D
0
–D
9
21–30
I/O
I/O pins addressed bit by bit. D
0
to D
are large-current source
pins (max. 10 mA), and D
4
to D
9
are large-current sink pins (max.
15 mA).
R0
0
, R1
0
, R1
3
,
R2
0
, R2
1
, R2
2
,
R7
0
–R7
3
INT
0
WU
0
SCK
15–20,
4–7
I/O
I/O pins, addressed in 4-bit units.
Interrupt
21
Input
External interrupt input pin
Wakeup
15
Input
Input pin used for transition from stop mode to active mode.
Serial
19
I/O
Serial interface clock I/O pin
interface
SI
20
Input
Serial interface receive data input pin
SO
20
Output
Serial interface transmit data output pin
Timer
TOB,TOC
17, 18
Output
Timer output pins
EVNB
16
Input
Event count input pin
A/D
converter
AV
CC
3
A/D converter power supply pin. Connect as close as possible to
the V
CC
pin so as to be at the same potential as V
CC
.
AV
SS
10
Ground pin for AV
. Connect as close as possible to the GND pin
so as to be at the same potential as GND.
AN
0
–AN
5
4–9
Input
A/D converter analog input pins
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