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Register Map
___________ _
Introduction.
This chapter explains the AD1200 Register Map, it details
the programmable status and control registers on the card. Whilst
most users will use the bundled driver software and so find this
information be be unnecessary it is included to make this manual
as complete as possible, to cover every eventuality.
_______________ _
I/O Address Map.
The AD1200 series uses 8 bytes of i/o address space.
These registers control all of the AD1200 functions, the driver
software access these registers. If you are using the bundled
driver software do not access the registers directly, otherwise
confusion may arise.
Unless you have GOOD REASON, you do not need to
program the locations.
Figure 3-1. AD1200 Register Map.
_____________________________ _
ADDRESS
DEFAULT
OFFSET
ADDRESS
0000 R/W
0218 Hex A/D CONTROL STATUS REGISTER
0001 R/W
0219 Hex A/D GAIN CONTROL REGISTER
0002 R/W
021A Hex A/D, DAC0 LOW BYTE
0003 R/W
021B Hex A/D, DAC0 HIGH BYTE
0004
W
021C Hex DAC1 LOW BYTE
0005
W
021D Hex DAC1 HIGH BYTE
0006 R/W
021E Hex DIGITAL I/O PORT
0007 R/W
021F Hex TIMER CONTROL, EXTENDED MODE TIMERXM TIMERXM
Note: Registers Do Not Always Read Back What Has Been Written
Chapter 3
CHAPTER 3
PC AD1200
REGISTER
MAP.
REGISTER
AD1200 Reference
READ
WRITE
ADCSR
ADCSR
ADGCR
ADGCR
DAC0LO ADCLO
DAC0HI ADCHI
DAC1LO
DAC1HI
DIGIN
DIGOUT
Page 51
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