User guide

DS4830A User’s Guide
26
Table 3-2. System Register Bit Functions
REGISTER
REGISTER BIT NUMBER
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
AP
—
—
—
—
AP (4 bits)
APC CLR IDS — — — MOD2 MOD1 MOD0
PSF Z S — GPF1 GPF0 OV C E
IC
—
—
—
—
—
—
INS
IGE
IMR IMS — IM5 IM4 IM3 IM2 IM1 IM0
SC TAP — — CDA0 — ROD PWL —
IIR IIS — II5 II4 II3 II2 II1 II0
WDCN POR EWDI WD1 WD0 WDIF WTRF EWT RWT
A[n] (n=15:0)
A[n] (16 bits)
PFX[n] (n=7:0) PFX[n] (16 bits)
IP IP (16 bits)
SP — — — — — — — — — — — SP (5 bits)
IV IV (16 bits)
LC[0]
LC[0] (16 bits)
LC[1] LC[1] (16 bits)
OFFS OFFS (8 bits)
DPC — — — — — — — — — — —
WBS2
WBS1
WBS0
SDPS1
SDPS0
GR GR (16 bits)
GRL
GRL (8 bits)
BP BP (16 bits)
GRS GRS (16 bits) = (GRL : GRH)
GRH GRH (8 bits)
GRXL GRXL (16 bits) = (GRL.7, 8 bits) : (GRL, 8 bits)
FP
FP = BP[OFFS] (16 bits)
DP[0] DP[0] (16 bits)
DP[1] DP[1] (16 bits)