參數(shù)資料
型號: HD404612
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): 6/89頁
文件大小: 358K
代理商: HD404612
HD404618 Series
6
Interrupts
INT
0
,
INT
:
Input external interrupts to the MCU.
INT
1
is also used as an external event input for timer B.
INT
0
and
INT
1
are multiplexed with R3
2
and R3
3
, respectively.
Serial Communications Interface
SCK
: Input/output serial clock pin multiplexed with R0
0
.
SI:
Serial receive data input pin multiplexed with R0
1
.
SO:
Serial transmit data output pin multiplexed with R0
2
.
Timers
TIMO:
Outputs a variable-duty square wave. It is multiplexed with R3
1
.
LCD Driver/Controller
V
1
, V
2
, V
3
:
Power supply pins for the LCD driver. Internal resistors provide the voltage level for each pin.
The voltage condition is V
CC
V
1
V
2
V
3
GND.
COM1–COM4:
Common signal output pins for LCD display.
SEG1–SEG32:
Segment signal output pins for LCD display.
DTMF Generator
TONER, TONEC, VT
ref
:
DTMF signal pins. TONER and TONEC transmit signals for row and column,
respectively. VT
ref
is a reference voltage for DTMF signals. Apply condition V
CC
VT
ref
GND to VT
ref
.
Voltage Comparator
COMP0, COMP1, VC
ref
:
COMP0 and COMP1 are analog inputs for the voltage comparator. VC
ref
is a
reference voltage pin that inputs the threshold voltage of the analog input pin.
相關(guān)PDF資料
PDF描述
HD404612FS 4-Bit Single-Chip Microcomputer
HD404612H 4-Bit Single-Chip Microcomputer
HD404612TF 4-Bit Single-Chip Microcomputer
HD404614 4-Bit Single-Chip Microcomputer
HD404614FS 4-Bit Single-Chip Microcomputer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404612FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404612H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404612TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404614 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404614FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer