Bruker DPP1 - Description of the Global Control Register; Table 5.27: Bit Fields of the Space Control Register; Table 5.28: Bit Field Description

Description
Technical Manual Version 001 BRUKER BIOSPIN 37 (55)
Description of the Global Control Register
The EMIF global control register configures the common parameters to all memo-
ry spaces.
GBLCTL 0180 000 Global Control Register R/W 31-0
Table 5.27: Bit Fields of the Space Control Register
Bits
31..14 13 12 11 10 9 8
Fields
reserved BUS-
REQ
ARDY HOLD HOLDA
Res.
0 1 1 0 0 0 0
Bits
7 6 5 4 3 2..0
Fields
NOHOLD reserved EKEN reserved CLK2EN reserved
Res.
0 1 1 1 1 0
Table 5.28: Bit Field Description
Field Value Description
31..12 Reserved A value written to these bit field locations has no effect.
11 BUSREQ
The bus request output bit indicates if the EMIF has an access / refresh
pending or in progress.
0 BUSREQ output is low. No access / refresh pending.
1 BUSREQ output is high. Access / refresh pending or in progress.
10 ARDY Input bit.
0 External devices is not ready.
1 External devices is ready.
9 HOLD Input bit.
0 External device requesting EMIF.
1 No external request pending.
8 HOLDA Input bit.
0 External device owns EMIF.
1 External device does not own EMIF.
7 NOHOLD Enable bit.
0 No hold is disabled. Hold request via the HOLD input are acknowledge via
the HOLDA output at the earliest possible time.
1 No hold is enabled. Hold request via the HOLD input are ignored.