Rainbow Electronics MAXQ7667 - Manual (Page 31)

MAXQ7667
16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
______________________________________________________________________________________ 31
R
E
G
IST
ER
B
IT
R
E
G
IST
ER
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
—
— —
—
A
P
(
4
B
it
s
)
AP
0
0
0 0
0
0
0 0
CL
R
IDS
—
—
— M
O
D2
M
O
D1
M
O
D0
AP
C
0
0
0 0
0
0
0 0
Z
S
—
G
P
F1
G
P
F0
O
V
C
E
PSF
1
0
0 0
0
0
0 0
—
—
CG
DS
— —
— INS
IG
E
IC
0
0
0 0
0
0
0 0
IMS
—
IM5 IM4
IM3
IM2
IM1 IM0
IMR
0
0
0 0
0
0
0 0
T
A
P
—
CDA
1
CDA
0
— R
O
D
P
W
L
—
SC
1
0
0
0
0 0 s
*
0
IIS
—
II5
II4 II3
II2
II1
II0
IIR
0
0
0 0
0
0
0 0
XT
R
C
—
R
G
M
D
ST
O
P
SWB
PM
M
E
C
D
1
C
D
0
CK
CN
s
* 0
0
0
0
0
0
0
P
O
R
E
W
D
I
W
D
1
W
D
0 W
D
IF
W
T
R
F
E
W
T
R
W
T
W
DCN
s
*
s
* 0
0 0
s
* s
*
0
A
[n]
(
16 B
it
s
)
A
[n]
(
0
..15)
0
0 0 0 0 0
0
0
0 0
0
0
0
0
0
0
P
F
X
[n]
(
16 B
its
)
PF
X[n
] (0
..
7
)
0
0 0 0 0 0
0
0
0 0
0
0
0
0
0
0
IP
(
16 B
it
s
)
IP
1
0 0 0 0 0
0
0
0 0
0
0
0
0
0
0
—
— — — — —
—
—
— —
—
—
S
P
(
4
B
its
)
SP
0
0 0 0 0 0
0
0
0 0
0
0
1
1
1
1
IV
(
16 B
it
s
)
IV
0
0 0 0 0 0
0
0
0 0
0
0
0
0
0
0
L
C
[0
] (1
6
B
it
s
)
L
C
[0
]
0
0 0 0 0 0
0
0
0 0
0
0
0
0
0
0
L
C
[1
] (1
6
B
it
s
)
L
C
[1
]
0
0 0 0 0 0
0
0
0 0
0
0
0
0
0
0
Table 2. System Register Bit and Reset Values
*Bits indicated by an “s” are only affected by a POR and not by other forms of reset. These bits are set to 0 after a POR. Refer
to the
MAXQ7667 User’s
Guide
for more information.