參數(shù)資料
型號(hào): HD40A4374
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(jì)算機(jī))
中文描述: 低電壓如同在微機(jī)芯片的A / D轉(zhuǎn)換器(帶片上的A / D轉(zhuǎn)換器的低壓微計(jì)算機(jī))
文件頁數(shù): 19/162頁
文件大小: 482K
代理商: HD40A4374
HD404374/HD404384/HD404389/HD404082/HD404084 Series
19
HD404082 and HD404084 Series
Pin Number
Item
Symbol
FP-30D
DP-28S Chip
I/O
Function
Power
supply
V
CC
2
2
2
Apply the power supply voltage to this pin.
GND
1
1
1
Connect to ground.
Test
TEST
11
11
9
Input
Not for use by the user application. Connect to GND
potential.
Reset
RESET
14
12
10
Input
Used to reset the MCU.
Oscillation OSC
1
9
9
7
Input
Internal oscillator input/output pins. Connect a ceramic
resonator, crystal resonator, or external oscillator circuit.
OSC
2
10
10
8
Output When using CR oscillation, connect a resistor.
Port
D
0
–D
9
21–30
19–28
17–26
I/O
I/O pins addressed bit by bit. D
0
to D
3
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
15–20,
4–7
13–18,
4–7
11–16,
3–6
I/O
I/O pins, addressed in 4-bit units.
Interrupt
21
19
17
Input
External interrupt input pin
Wakeup
15
13
11
Input
Input pin used for transition from stop mode to active
mode.
Serial
SCK
19
17
15
I/O
Serial interface clock I/O pin
interface
SI
20
18
16
Input
Serial interface receive data input pin
SO
20
18
16
Output Serial interface transmit data output pin
Timer
TOB,TOC
17, 18
15, 16
13, 14
Output Timer output pins
EVNB
16
14
12
Input
Event count input pin
Other
NC
3, 8, 12,
13
3, 8
Connect to GND potential.
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