參數(shù)資料
型號(hào)： HCD40C4344R
廠商： Hitachi,Ltd.
英文描述： 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī))
中文描述： 4位HMCS400系列微電腦（4位單片微計(jì)算機(jī)）
文件頁數(shù)： 10/100頁
文件大小： 610K
代理商： HCD40C4344R
HD404344R Series/HD404394 Series
10
Pin Description
HD404344R Series, HD4074344
Pin Number
Item
Symbol
DP-28S/
FP-28DA FP-30D Chip
I/O
Function
Power supply
V
CC
GND
16
18
14, 15
Applies power voltage
11
11
8, 9
Connects to ground
Test
TEST
17
19
16
I
Cannot be used in user applications.
Connect this pin to GND.
Reset
RESET
18
20
17
I
Resets the MCU
Oscillator
OSC
1
9
9
6
I
Input/output pins for the internal
oscillator. Connect these pins to the
ceramic oscillator, or OSC
1
to an external
oscillator circuit.
OSC
2
D
0
–D
5
10
10
7
O
Port
23–28
25–30
22–27
I/O
Input/output pins addressed individually
by bits; pins D
1
and D
2
can sink 15 mA
max.
R0
0
–R0
3
,
R1
0
–R1
3
,
R2
0
–R2
3
,
R3
0
–R3
3
INT
0
STOPC
1–8,
12–15
19–22
1–8,
13–16,
21–24
18–21,
28–30,
1–5,
10–13
I/O
Four-bit input/output pins.
Pins R1
0
–R2
3
can sink 15 mA max.
Interrupt
23
25
22
I
Input pin for external interrupts
Stop clear
27
29
26
I
Input pin for transition from stop mode to
active mode
Serial interface
SCK
19
21
18
I/O
Serial interface clock input/output pin
SI
20
22
19
I
Serial interface receive data input pin
SO
21
23
20
O
Serial interface transmit data output pin
Timer
TOC
22
24
21
O
Timer output pin
EVNB
23
25
22
I
Event count input pin
A/D converter
AN
0
–AN
3
12–15
13–16
10–13
I
Analog input pins for the A/D converter
相關(guān)PDF資料
PDF描述
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