54 out output to port – Texas Instruments MSP50C614 User Manual
Page 241
Individual Instruction Descriptions
4-149
Assembly Language Instructions
4.14.54
OUT
Output to Port
Syntax
[label]
name
dest, src
Clock,
clk
Word,
w
With RPT,
clk
Class
OUT
port4, {adrs}
Table 4–46
n
R
+3
6a
OUT
port6, An[~]
Table 4–46
n
R
+3
6a
Execution
port4 or port6
⇐
src
PC
⇐
PC +
w
Flags Affected
XSF, XZF are set accordingly
src is {adrs}:
TAG bit is set accordingly
Opcode
Instructions
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
OUT
port4, {adrs}
1
1
0
0
1
port4
adrs
x
dma16 (for direct) or offset16 (long relative) [see section 4.13]
OUT
port6, An[~]
1
1
1
0
1
1
0
A
n
port6
1
~A
Description
Output to I/O port. Words (16 bits) in memory can be output to one of 16 port
addresses. Words (16 bits) in the accumulators can be output to these same
16 port addresses or to an additional 48 port addresses. Note that,
port4
address is multipled by 4 to get the actual port address.
See Also
OUTS, IN, INS
Example 4.14.54.1
OUT 3, * 0x0200 * 2
Outputs the content of word memory location value stored in 0x0200 to I/O port at location 0x0C (PBDIR
port). Note that, address 3 converts to 3 * 4 = 0xc.