59629855201QYX View Datasheet(PDF) - Aeroflex UTMC

Part Name

Description

Manufacturer

59629855201QYX

RadHard MicroController

Aeroflex UTMC 

Status/Output Discrete Register

The Status/Output Discrete Register reports the C, P, Z, and N

bits of the System Status Register along with controlling the

output discrete bus (OD(7:0)). Register bits C, P, Z, and N

contain the same information as the System Status Register bits

15, 14, 13, and 12. Control of the output discrete bus is allowed

via bit 0 through 7 of this register. Use input and output

instructions INR Rd, SW and OTR Rd, SW to write and read

this register. Use this register to restore the condition codes

after interrupt service routines.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

CONDITION USER-

STATUS DEFINED

(CS)

MSB

DISCRETE

LSB

Figure 14. The Status/Output Discrete Registers (SW)

Bit Number

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Mnemonic

C

P

Z

N

U/D

U/D

U/D

U/D

OD7

OD6

OD5

OD4

OD3

OD2

OD1

OD0

Description

Carry

Positive

Zero

Negative

User-defined

User-defined

User-defined

User-defined

Output Discrete 7

Output Discrete 6

Output Discrete 5

Output Discrete 4

Output Discrete 3

Output Discrete 2

Output Discrete 1

Output Discrete 0

15

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