ST10R272L - MULTIPLY-ACCUMULATE UNIT (MAC)
80/320
MCW (FFDCH / EEh
SFR
Reset Value: 0000h
MRW (FFDAh / EDh)
SFR
Reset Value: 0000h
Bit
Function
MIE
MAC Interrupt Enable
‘0’: MAC interrupt globally disabled,
‘1’: MAC interrupt globally enabled.
LM
SL Mask
When set, the SL Flag can generate a MAC interrupt request.
EM
E Mask
When set, the E Flag can generate a MAC interrupt request.
VM
SV Mask
When set, the SV Flag can generate a MAC interrupt request.
CM
C Mask
When set, the C Flag can generate a MAC interrupt request.
MP
Product Shift Mode
When set, enables the one-bit left shift of the multiplier output in case of a
signed-signed multiplication.
MS
Saturation Mode
When set, enables automatic 32-bit saturation of the result of a MAC operation.
Bit
Function
MR
Repeat Flag
Set when a repeated instruction is executed
MIE
5
4
3
2
1
0
11
10
9
8
7
6
15
14
13
12
-
-
-
-
-
-
-
-
-
rw
rw
rw
rw
EM
-
LM
VM
CM
MP
MS
rw
rw
rw
MR
5
4
3
2
1
0
11
10
9
8
7
6
15
14
13
12
rw
rw
Repeat Count
-
-
-
-
