DS80C320-ECD DALLAS [Dallas Semiconductor], DS80C320-ECD Datasheet - Page 52
DS80C320-ECD
Manufacturer Part Number
DS80C320-ECD
Description
High-Speed Microcontroller User Guide
Manufacturer
DALLAS [Dallas Semiconductor]
Datasheet
1.DS80C320-ECD.pdf
(175 pages)
- Current page: 52 of 175
- Download datasheet (2Mb)
Accumulator (A or ACC)
Extended Interrupt Enable (EIE)
SFR E0h
ACC.7-0
Bits 7-0
SFR E8h
Bit 7-0
ERTCI
Bit 5
EWDI
Bit 4
EX5
Bit 3
EX4
Bit 2
EX3
Bit 1
EX2
Bit 0
R=Unrestricted Read, W=Unrestricted Write, -n=Value after Reset
R=Unrestricted Read, W=Unrestricted Write, -n=Value after Reset
ACC.7
RW-0
7
7
-
Accumulator. This register serves as the accumulator for arithmetic operations.
It is functionally identical to the accumulator found in the 80C32.
Reserved. Read data will be indeterminate.
Real Time Clock Interrupt Enable. This bit enables/disables the real-time
clock interrupt on the DS87C530. This bit will read 0 on all other devices.
0 = Disable the real-time clock interrupt.
1 = Enable interrupt requests generated by the real-time clock.
Watchdog Interrupt Enable. This bit enables/disables the watchdog interrupt.
0 = Disable the watchdog interrupt.
1 = Enable interrupt requests generated by the watchdog timer.
External Interrupt 5 Enable. This bit enables/disables external interrupt 5.
0 = Disable external interrupt 5.
1 = Enable interrupt requests generated by the
External Interrupt 4 Enable. This bit enables/disables external interrupt 4.
0 = Disable external interrupt 4.
1 = Enable interrupt requests generated by the INT4 pin.
External Interrupt 3 Enable. This bit enables/disables external interrupt 3.
0 = Disable external interrupt 3. 1 = Enable interrupt requests generated by the
External Interrupt 2 Enable. This bit enables/disables external interrupt 2.
0 = Disable external interrupt 2.
1 = Enable interrupt requests generated by the INT2 pin.
INT3
ACC.6
RW-0
6
6
-
pin.
ERTCI
ACC.5
RW-0
RW-0
5
5
52 of 175
ACC.4
EWDI
RW-0
RW-0
4
4
ACC.3
RW-0
RW-0
EX5
3
3
High-Speed Microcontroller User’s Guide
INT5
ACC.2
RW-0
RW-0
EX4
2
2
pin.
ACC.1
RW-0
RW-0
EX3
1
1
ACC.0
RW-0
RW-0
EX0
0
0
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