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參數(shù)資料
| 型號(hào)： | HE83149 |
| 廠商： | King Billion Electronics Co., Ltd. |
| 英文描述： | 8-bit Micro-controller |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 375K |
| 代理商： | HE83149 |
C. Pin Description
KING BILLION ELECTRONICS CO., LTD
駿
億
電
子
股
份
有
限
公
司
HE83149
HE80000 SERIES
2
V1.0E
Pin #
Pin name
I/O
Function
Description
92
91
FXI,
FXO
B,
O
External fast clock
input/output pins are used
to connect crystal or RC to
generate the 32.768KHz ~
8MHz system clock.
95
94
SXI,
SXO
I,
O
External slow clock
input/output pins used to
connect the 32.768KHz
crystal to generate slow
clock for system operation
(slow mode), LCD display
or timer 1 clock source.
Mask Option setting:
MO_FCK/SCKN= 00 : Slow Clock only
01 : Illegal
10
：
Dual Clock
11
：
Fast Clock only
MO_FOSCE= 0
：
Internal fast clock
1
：
External fast clock
MO_FXTAL= 0
：
R,C OSC. for Fast Clock
1
：
Crystal OSC. for Fast Clock
MO_SXTAL= 0
：
R,C OSC. for 32.768K Clock
1
：
Crystal OSC. for 32.768K Clock.
Use OP1 and OP2 to switch among different operation
mode (NORMAL, SLOW, IDEL and SLEEP). In Dual
Clock mode, the main system clock is still the Fast
Clock. The 32768 Hz clock is for LCD and Timer 1 only.
Active low and level trigger reset signal. User can also
set the mask option MO_PORE=1 to enable the build-in
Power-on reset circuit besides using the reset pin.
Watch Dog Timer can also be enabled/disabled by the
mask option,
MO_WDTE = 0
：
Disable Watch Dog Timer
= 1
：
Enable Watch Dog Timer
Please bond this pin to ground by a 0 ohm resistor
to let it accessible when it’s necessary for some
testing.
Mask options setting:
MO_DPP [7:0] = 1
：
Push-pull output.
= 0
：
Open-drain output.
Output must be “1” before reading whenever uses them
as input (Non tri-state structure).
The pin functions are determined by the mask option
MO_LIO15[7:0]
MO_LIO15 [7:0] = 1
：
LCD Pin.
= 0
：
I/O Pin.
When they are selected as I/O pins, the output driving
type can be set by mask option.
MO_15PP [7:0] = 1
：
Push-pull.
= 0
：
Open-drain.
Output must be “1” before reading whenever uses them
as input (Non tri-state structure).
The pin functions are determined by the mask option
MO_LIO14[7:0]
MO_LIO14 [7:0] = 1
：
LCD Pin.
= 0
：
I/O Pin.
90
RSTP_N
I
System reset signal
93
TSTP_P
I
IC Test Pin
97..
104
PRTD[7:0]
B
Bi-directional I/O port D.
PRTD [7:2] also used as
wake-up pin, and PRTD
[7:6] also used as external
interrupt pin.
5..
12
PRT15[7:0]/
SEG[63:56]
B/O
8-pin bi-directional I/O port
that is shared with LCD
segment pin.
13...
20
PRT14[7:0]/
SEG[55:48]
B/O
8-pin bi-directional I/O port
that is shared with LCD
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