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參數(shù)資料
| 型號： | HE83003 |
| 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)： | 6/23頁 |
| 文件大小： | 226K |
| 代理商： | HE83003 |
King Billion Electronics Co., Ltd
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HE83003
HE80000 SERIES
September 8, 2004
This specification is subject to change without notice. Please contact sales person for the latest version before use.
6
V1.1
VDD
VDD
Q
Q'
LATCH
MO_PP
SCHMIDT Trigger input
DOUT
PAD
DIN
7.
Timer1
The Timer1 consists of two 8-bit write-only preload registers T1H and T1L and 16-bit down counter. If
Timer1 is enabled, the counter will decrement by one with each incoming clock pulse. Timer1 interrupt
will be generated when the counter underflows - counts down to FFFFH. And the counter will be
automatically reloaded with the value of T1H and T1L.
The clock source of Timer1 is derived from slow clock “SCK” at dual clock or slow clock only mode.
And it comes from the fast clock “FCK” at fast clock only mode.
Please note that the interrupt is generated when counter counts from 0000H to FFFFH. If the value of
T1H and T1L is N, and count down to FFFFH, the total count is N+1. The content of counter is zero
when system resets. Once it is enabled to count at this moment, interrupt will be generated immediately
and value of T1H and T1L will be loaded since it counts to FFFFH. So the T1H and T1L value should be
set before enabling Timer1.
The Timer1 related control registers are list as below:
Register
IER
Address
0x02
Field
TC1_IER
Bit position
2
Mode
R/W
Description
0: TC1 interrupt is disabled. (default)
1: TC1 interrupt is enabled.
Low byte of TC1 pre-load value
High byte of TC1 pre-load value
0: TC1 is disabled. (default)
1: TC1 is enabled.
T1L
T1H
OP1
0x03
0x04
0x09
T1L[7:0]
T1H[7:0]
TC1E
7~0
7~0
2
W
W
R/W
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| HE83005(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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| HE83006(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE83007(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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