参数资料
型号: EM73MA89B
英文描述: Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 8-EPSOIC T&R
中文描述: 4,液晶产品位微控制器
文件页数: 30/64页
文件大小: 331K
代理商: EM73MA89B
36
* This specification are subject to be changed without notice.
10.15.2002 (V1.3)
EM73MA89B
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
Preliminary
;----------Mainprogram-------------------
MAIN :
:
LDIA
#0000B
OUTA
P14
; select SPI interrupt
LDIA
#SPEECH/40H
; set speech start address
OUTA
P24
LDIA
#SPEECH/400H
OUTA
P24
LDIA
#SPEECH/4000H
OUTA
P24
LDIA
#SPEECH/40000H
OUTA
P24
LDIA
#0011B
; set sampling rate and start playing
OUTA
P23
:
WAIT :
TTP
P14,3
; wait speed end
B
WAIT
:
USING SPEECH ROM AS DATA ROM
The speech ROM can be used for speech synthesizer and for data ROM simutaneously.
First, write initial address to P11 five times, then you can read P11 to get data, and the address counter
increases one automatically.
The read operation should be all done before you leave normal mode and change to slow mode.
Get speech ROM data (P11 read) :
3210
Port 11
Set speech ROM address (P11 write) :
3210
Port 11
P11L1
P11L2
P11L3
P11L4
P11L5
A3 A2 A1 A0
A7
A6 A5 A4
A11 A10 A9 A8
A15 A14 A13 A12
A19 A18 A17 A16
PROGRAM EXAMPLE:
DATA_ADR
EQU
12345H
; the start address of the speech ROM
:
LDIA
#DATA_ADR
OUTA
P11
LDIA
#DATA_ADR/10H
OUTA
P11
LDIA
#DATA_ADR/100H
OUTA
P11
LDIA
#DATA_ADR/1000H
OUTA
P11
LDIA
#DATA_ADR/10000H
OUTA
P11
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