參數(shù)資料
型號: HD404848
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機
文件頁數(shù): 4/125頁
文件大?。?/td> 471K
代理商: HD404848
HD404849 Series
4
Pin Description
Pin Number
Item
Symbol
FP-80A ,TFP-80C FP-80B
I/O
Function
Power supply
V
CC
GND
73
75
Applies power voltage
10
12
Connected to ground
Test
TEST
4
6
I
Used for factory testing only: Connect
this pin to GND
Reset
RESET
7
9
I
Resets the MCU
Oscillator
OSC
1
5
7
I
Input/output pins for the internal
oscillator circuit:
Connect them to a ceramic oscillator
or connect OSC1 to an external
oscillator circuit.
OSC
2
X1
6
8
O
8
10
I
Used for a 32.768-kHz crystal for
clock purposes. If not to be used, fix
the X1 pin to VCC and leave the X2
pin open.
X2
9
11
O
Port
D
0
–D
8
11–19
13–21
I/O
Input/output pins addressed by
individual bits; pins D
–D
are high-
current pins that can each supply up
to 15 mA
D
10
, D
11
20, 21
22, 23
I
Input pins addressable by individual
bits
R0–R3, R6,
R7
INT
0
,
INT
1
,
INT
2
, INT
3
STOPC
22–33, 79, 80,
1, 2, 34–41
24–35, 1–4,
36–43
I/O
Input/output pins addressable in 4-bit
units
Interrupt
21–24
23–26
I
Input pins for external interrupts
Stop clear
20
22
I
Input pin for transition from stop mode
to active mode
Serial
SCK
31
33
I/O
Serial clock input/output pin
SI
32
34
I
Serial receive data input pin
SO
33
35
O
Serial transmit data output pin
Timer
TOB, TOC,
TOD
EVNB
,
EVND
26–28
28–30
O
Timer output pins
29, 30
31, 32
I
Event count input pins
相關(guān)PDF資料
PDF描述
HD404848FS 4-Bit Single-Chip Microcomputer
HD404848H RELAY SOCKET
HD404848TF PLASTIC-GRIP
HD404849 TERMINAL
HD404849FS TERMINAL
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404848FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404849 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404849FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer