EM78159NAS EMC [ELAN Microelectronics Corp], EM78159NAS Datasheet - Page 12

• Manufacturer Part Number: EM78159NAS
• Description: 8-Bit Microcontroller with OTP ROM
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM78P159N
8-Bit Microcontrollerwith OTP ROM
8 •
Address
0A
0B
0C
0D
0E
0F
10
3F
00
01
02
03
04
05
06
07
08
09
︰
4.1.4 R3 (Status Register)
Bit 0 (C)
Bit 1 (DC)
Bit 2 (Z)
Bit 3 (P)
Bit 4 (T)
Bit 5 ~7 (GP0 ~ 2) General-purpose read/write bits.
Bit 7
GP2
The Data Memory Configuration is as follows:
R0
R1
R2
R3
R4
R5
R6
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
RD
RE
RF
Carry flag
Auxiliary carry flag
Zero flag.
Set to "1" if the result of an arithmetic or logic operation is zero.
Power down bit.
Set to “1” during power on or by a "WDTC" command; and reset to “0” by a
"SLEP" command.
Time-out bit.
Set to “1” with the "SLEP" and "WDTC" commands, or during power up;
and reset to “0” by WDT time-out.
General Registers
R PAGE Registers
Bit 6
GP1
(IAR)
(TCC)
(PC)
(Status)
(RSR)
(Port5)
(Port6)
(Only for simulator)
(Wake up control)
(Interrupt Status)
Bit 5
GP0
Bit 4
T
(This specification is subject to change without further notice)
Reserve
CONT
Reserve
Reserve
Reserve
IOC5
IOC6
Reserve
Reserve
Reserve
IOCA
IOCB
IOCC
IOCD
IOCE
IOCF
Bit 3
P
Product Specification (V1.0) 03.10.2006
(Control Register)
(I/O Port Control Register)
(I/O Port Control Register)
(Prescaler Control Register)
(Pull-down Register)
(Open-drain Control)
(Pull-high Control Register)
(WDT Control Register)
(Interrupt Mask Register)
IOC PAGE Registers
Bit 2
Z
Bit 1
DC
Bit 0
C