參數(shù)資料
型號: HT49C10
廠商: Holtek Semiconductor Inc.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 22/47頁
文件大?。?/td> 329K
代理商: HT49C10
HT49C10
22
September 28, 1999
E
*
E
% (
-
%
# %
%'
! % -
< 9
- *
; ; 9
& 0 1
< %
6 ; ! % & 0 . 7
< %
<
6 ; !
& 0 . 7
PA input/output port
After chip reset, these input lines remain at a
high level or are left floating (by mask option).
Each bit of these output latches can be set or
cleared by the
SET [m].i
(m=12H) instructions.
and
CLR [m].i
Some instructions first input data and then fol-
low the output operations. For example, SET
[m].i , CLR [m].i , CPL [m] , CPLA[m] read
the entire port states into the CPU, execute the
defined operations (bit-operation), and then
write the results back to the latches or to the ac-
cumulator.
LCD display memory
The HT49C10 provides an area of embedded
data memory for LCD display. This area is lo-
cated from 40H to 52H of the RAM at Bank 1.
Bank pointer (BP; located at 04H of the RAM) is
the switch between the RAM and the LCD dis-
play memory. When the BP is set 1 , any data
# %
% '
- *
; ; 9
( & 0 ( 2
PB input lines
2 & =
2 =
2 =
, & =
&
, =
, =
, . =
(
&
.
&
.
13
.
4
Display memory
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