EM78468AQ EMC [ELAN Microelectronics Corp], EM78468AQ Datasheet - Page 47

• Manufacturer Part Number: EM78468AQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)
RA/LCD_ADDR (LCD Address)
RB/LCD_DB (LCD Data Buffer)
RD/SBPCR (System, Booster and PLL Control Registers)
Bit 7 ~ 5: Not used, fixed to “0”
Bit 4 ~ 0 (LCDA4 ~ LCDA0): LCD RAM address
(LCD address) Bit 7 ~4
Bit 7 ~ 4: Not used
Bit 3 ~ 0 (LCD_D3 ~ LCD_D0): LCD RAM data transfer registers
Bit 2 ~ 1 (BF1 ~ 0): LCD booster frequency select bits
Bit 7
Bit 7
Bit 7
Common
--
--
0
1DH
1EH
1FH
00H
01H
02H
RA
|
BF1
0
0
1
1
CLK2
Bit 6
Bit 6
Bit 6
--
0
X
--
--
--
--
--
--
CLK1
Bit 5
Bit 5
Bit 5
0
--
(LCD_D3)
COM3
Bit 3
BF0
RB (LCD data buffer)
0
1
0
1
LCD_A4
CLK0
Bit 4
Bit 4
Bit 4
--
(LCD_D2)
COM2
Bit 2
|
LCD_A3
LCD_D 3 LCD_D 2 LCD_D 1 LCD_D 0
Booster frequency
Bit 3
Bit 3
Bit 3
IDLE
(LCD_D1)
COM1
Bit 1
Fs/16
Fs/4
Fs/8
Fs
LCD_A2
Bit 2
Bit 2
Bit 2
BF1
(LCD_D0)
COM0
Bit 0
8-BIT Microcontroller
LCD_A1
Bit 1
Bit 1
Bit 1
BF0
Segment
SEG29
SEG30
SEG31
EM78468
SEG0
SEG1
SEG2
LCD_A0
|
Bit 0
CPUS
Bit 0
Bit 0
• 43