參數(shù)資料
型號(hào): HT1350
廠商: Holtek Semiconductor Inc.
元件分類(lèi): 通用總線功能
英文描述: Step Counter
中文描述: 計(jì)步器
文件頁(yè)數(shù): 3/6頁(yè)
文件大小: 83K
代理商: HT1350
Pad Description
Pad No
Pad Name
I/O
Internal
Connection
Descriptions
1
TEST2
I/O
For IC test only
2
TEST1
I/O
For IC test only
3
OSC2
O
Oscillator output
4
OSC1
I
Oscillator input
5~18
OUT17~OUT4
O
CMOS
Display data output pads for segments
19~21
COM3~COM1
O
NMOS
Display data output pads for commons
22
CP3
O
*
Bias supply voltage pad for driving the LCD panel
23~24
CP2~CP1
O
*
LCD bias supply voltage control pads
25
STEP
I
CMOS
Pull-high
Step sensor input pad
26
WALK/RUN
I
CMOS
Pull-high
Walk/Run mode manual set pad
27
AUTO/MANU
I
CMOS
Pull-high
Auto detection/Manual set selection pad
28
VDD
I
Positive power supply
29
TEST3
I/O
For IC test only
30
VSS
I
Negative power supply (GND)
31
MODE
O
CMOS
Pull-high
LCD display mode selection
32
RESET
O
CMOS
Pull-high
System reset pad
Approximate internal connection circuits
HT1350
3
June 28, 1999
+
8
9
&
: +
." .
: ( ( *
9
9
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