Datasheet

MAXQ7667
16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
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REGISTER BIT
REGISTER
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
— — — — AP (4 Bits)
AP
0 0 0 0 0 0 0 0 CLR IDS — — — MOD2 MOD1 MOD0
APC
0 0 0 0 0 0 0 0 Z S — GPF1 GPF0 OV C E
PSF
1 0 0 0 0 0 0 0 — — CGDS — — — INS IGE
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 TAP — CDA1 CDA0 — ROD PWL —
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 XTRC — RGMD STOP SWB PMME CD1 CD0
CKCN
s* 0 0 0 0 0 0 0 POR EWDI WD1 WD0 WDIF WTRF EWT RWT
WDCN
s* s* 0 0 0 s* s* 0
A[n] (16 Bits)
A[n] (0..15)
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PFX[n] (16 Bits)
PFX[n] (0..7)
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
IP (16 Bits)
IP
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
— — — — — — — — — — — — SP (4 Bits)
SP
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
IV (16 Bits)
IV
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LC[0] (16 Bits)
LC[0]
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LC[1] (16 Bits)
LC[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.