EM78860 Ver la hoja de datos (PDF) - ELAN Microelectronics
Número de pieza
componentes Descripción
Fabricante
EM78860 Datasheet PDF : 25 Pages
| |||
EM78860
8-BIT MICRO-CONTROLLER
ADDRESS REGISTER
00 R0
01 R1(TCC)
02 R2(PC)
03
R3(STATUS)
04 R4(RSR)
05
R5(ROM PAGE)
06
R6(PORT6)
07
R7(PORT7)
08
R8(PORT8)
09
R9(PORT9)
0A RA(CLK)
0B RB()
0C RC(2.5K RAM ADRESS)
0D RD(2.5K RAM DATA)
0E RE
0F
RF(INT FLAG)
10
16x8
:
Common
1F Register
20
BANK0~BANK3
:
32X8 ~ 32X8
3F
REGISTER
CONTROL REGISTER
(PAGE0)
CONTROL REGISTER
(PAGE1)
page0
IOC6
IOC7
IOC8
IOC9
IOCA
IOCB(LCD ADDRESS)
IOCC(LCD DATA)
IOCD(PULL HIGH)
IOCE(IO, LCD)
IOCF(INT CONTROL)
RC(ADDRESS) RD(DATA)
page1
IOCB(COUNTER1)
IOCC(COUNTER2)
0 BAND1 BAND1 . . . . . . . . . . . . BAND10
: 256X8 256X8 . . . . . . . . . . . . 256X8
255
Fig.5 Data memory configuration
R3 ( Status Register )
7
6
5
4
3
2
1
0
-
PAGE
-
T
P
Z
DC
C
• Bit 0 (C) : Carry flag
• Bit 1 (DC) : Auxiliary carry flag
• Bit 2 (Z) : Zero flag
• Bit 3 (P) : Power down bit. Set to 1 during power on or by a “WDTC” command and reset to 0 by a
“SLEP” command.
• Bit 4 (T) : Time-out bit. Set to 1 by the “SLEP” and “WDTC” command, or during power up and reset
to 0 by WDT time out.
EVENT
WDT TIME OUT
sleep mode
WDT time out (not sleep mode
/RESET wake up from sleep
power up
Low pulse on /RESET
T
P
REMARK
0
0
0
1
1
0
1
1
x
x
x . . don't care
• Bit 5 : unused
• Bit 6 PAGE : changed IOCB~IOCE to another page, 0/1→page0/page1
• Bit 7 unused
* This specification are subject to be changed without notice.
6.24.1998 5
Share Link: 