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EM78P468NBQS/NBQJ 数据表(PDF) 17 Page - ELAN Microelectronics Corp

部件名 EM78P468NBQS/NBQJ
功能描述  8-Bit Microcontroller
PDF  82 Pages
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制造商  EMC [ELAN Microelectronics Corp]
网页  http://www.emc.com.tw
标志 EMC - ELAN Microelectronics Corp

EM78P468NBQS/NBQJ 数据表(HTML) 17 Page - ELAN Microelectronics Corp

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EM78P468N/L
8-Bit Microcontroller
Product Specification (V1.6) 12.31.2007
• 11
(This specification is subject to change without further notice)
6.1.11 RA/LCD_ADDR (LCD Address)
(Address: 0Ah)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
LCD_A4
LCD_A3
LCD_A2
LCD_A1
LCD_A0
Bits 7~5:
Not used, fixed to “0”
Bits 4~0 (LCDA4 ~ LCDA0):
LCD RAM addresses
RB (LCD Data Buffer)
RA
(LCD Address)
Bits 7 ~4
Bit 3
(LCD_D3)
Bit 2
(LCD_D2)
Bit 1
(LCD_D1)
Bit 0
(LCD_D0)
Segmen
t
00H
−
−
−
−
−
SEG0
01H
−
−
−
−
−
SEG1
02H
−
−
−
−
−
SEG2
|
|
|
1DH
−
−
−
−
−
SEG29
1EH
−
−
−
−
−
SEG30
1FH
−
−
−
−
−
SEG31
Common
×
COM3
COM2
COM1
COM0
6.1.12 RB/LCD_DB (LCD Data Buffer)
(Address: 0Bh)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
−
−
−
−
LCD_D3
LCD_D2
LCD_D1
LCD_D0
Bits 7~4:
Not used
Bits 3~0 (LCD_D3 ~ LCD_D0) :
LCD RAM data transfer register
6.1.13 RC/CNTER (Counter Enable Register)
(Address: 0Ch)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
−
−
−
−
LPWTEN HPWTEN CNT2EN
CNT1EN
Bits 7, 5:
Not used, must be fixed to “0”
Bits 6, 4:
Not used
Bit 3 (LPWTEN):
low pulse width timer enable bit
LPWTEN = “0” :
Disable LPWT. Stop counting operation.
LPWTEN = “1” :
Enable LPWT. Start counting operation.
Bit 2 (HPWTEN):
high pulse width timer enable bit
HPWTEN = “0” :
Disable HPWT. Stop counting operation.
HPWTEN = “1” :
Enable HPWT. Start counting operation.



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