Measurement-computing CIO-CTRxxHD Uživatelský manuál stáhnout pdf (Strana 10)

To write to or read from a register in decimal or HEX, the following weights apply:

801287

40646

20325

10164

883

442

221

110

HEX VALUEDECIMAL VALUEBIT POSITION

In summary form, the registers and their function are listed on the following table.

Within each register are eight bits which may constitute a byte of data or eight

individual bit functions.

Table 5-1. Register Functions

Interrupt and Counter Source

for 9513 #3 and 9513 #4 (2nd

ten channels on P2)

No read function.BASE +401h

Commands to 9513 #4Status of 9513 #4BASE +7

Data for 9513 #4Data from 9513 #4BASE +6

Commands to 9513 #3Status of 9513 #3BASE +5

Data for 9513 #3Data from 9513 #3BASE +4

Additional for CTR20 only

Wait State, Interrupt and

Counter Source for 9513 #1

and 9513 #2 (1st ten channels

on P1)

No read function.BASE +400h

Commands to 9513 #2Status of 9513 #2BASE +3

Data for 9513 #2Data from 9513 #2BASE +2

Commands to 9513 #1Status of 9513 #1BASE +1

Data for 9513 #1Data from 9513 #1BASE +0

WRITE FUNCTIONREAD FUNCTIONADDRESS

9513 #1 (U1) is accessed at the bottom half of P1 (pins 1 - 22);

9513 #2 (U2) is the top half of P1 (pins 27 - 48);

9513 #3 (U3) is accessed at the bottom half of P2 (pins 1 - 22);

9513 #4 (U4) is the top half of P2 (pins 27 - 48).

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

Žádné komentáře

Measurement-computing CIO-CTRxxHD Uživatelský manuál Strana 10