Maxim Integrated MAXQ Family Users Guide: MAXQ2010 Supplement - Manual (Page 27)

MAXQ Family User’s Guide:
MAXQ2010 Supplement
4-1
ADDENDUM TO SECTION 4: SYSTEM REGISTER DESCRIPTIONS
Refer to Section 4: System Register Descriptions of the MAXQ Family User’s Guide for functional descriptions of the
registers and bits in Table 4-1.
Table 4-1. System Register Map
Note: Register names that appear in italics indicate read-only registers. Register names that appear in bold indicate 16-bit regis-
ters. All other registers are 8 bits in width.
Table 4-2. System Register Bit Functions
CYCLES
TO
READ
CYCLES
TO
WRITE
REGISTER
INDEX
M8 M9 M11 M12 M13 M14 M15
1 1 00h AP A[0] PFX[0] IP — — —
1 1 01h APC A[1] PFX[1] — SP — —
1 1 02h — A[2] PFX[2] — IV — —
1 1 03h — A[3] PFX[3] — — OFFS DP[0]
1 1 04h PSF A[4] PFX[4] — — DPC —
1 1 05h IC A[5] PFX[5] — — GR —
1 1 06h IMR A[6] PFX[6] — LC[0] GRL —
1 1 07h — A[7] PFX[7] — LC[1] BP DP[1]
1 2 08h SC A[8] — — — GRS —
1 2 09h — A[9] — — — GRH —
1 2 0Ah — A[10] — — — GRXL —
1 2 0Bh IIR A[11] — — — BP[OFFS] —
1 2 0Ch — A[12] — — — — —
1 2 0Dh — A[13] — — — — —
1 2 0Eh CKCN A[14] — — — — —
1 2 0Fh WDCN A[15] — — — — —
REG
BIT
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 — — IM4 IM3 IM2 IM1 IM0
SC TAP — — CDA0 — — PWL —
IIR IIS — — II4 II3 II2 II1 II0
CKCN — FLLSL FLLMD STOP SWB PMME CD1 CD0
WDCN POR EWDI WD1 WD0 WDIF WTRF EWT RWT
A[0:15] A[0:15] (16 bits)
PFX PFX (16 bits)
IP IP (16 bits)
SP — — — — — — — — — — — — SP (4 bits)
IV IV (16 bits)
LC[0] LC[0] (16 bits)
LC[1] LC[1] (16 bits)