DRP 3510A
ADVANCE INFORMATION
7.4.9. Read Data From the D1-Memory of the DRP
1. send command
S dev_write ($D4) A data_write ($68) A
$f0
A
$00
A
n3..n0 = number of words
a3..a0 = start address in drp memory
d4..d0 = data value
n3 n2
A
n1 n0
A count ‘n’
a3 a2
A
a1 a0
A P address ‘a’
2. get data
S dev_write ($D4) A data_read ($69) A
S dev_read ($D5) A
d3 d2
A
d1 d0
$00
A
$0 d4
repeat for n data values
d3 d2
A
d1 d0
$00
A
$0 d4
Fig. 7–14: Read 20-bit data from the D1-memory of the DRP
A data ‘d’
A
A
Nak P
7.4.10. Freeze
S dev_write ($D4) A data_write ($68) A
$00
A
$00
AP
Fig. 7–15: The Freeze command should be executed before download of the new code to avoid noise signals at the
output interfaces. Before using the freeze command, it is recommended to mute the output.
7.4.11. The Run Command
S dev_write ($D4) A data_write ($68) A
a3 a2
A
a1 a0
AP
Fig. 7–16: The Run command starts the execution at the program address a = (a3,a2,a1,a0).
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Micronas