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PRELIMINARY
HOST INTERFACE
S3C6400X
RISC MICROPROCESSOR
24-18
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Control1 Register (CTRL1)
BSEL[3:0] = 0001, MP_A[1:0] = 00, R/W, Reset value = 0x0000
Field
Bit
Description
Initial State
Reserved [15:4]
0x000
Reserved [3:2]
00
DAMT
[1:0]
CPUIF Hold Margin Delay Amount
In order to gurantee the hold timing, address and data signals
are delayed.
00 = 5ns delay (Default)
01 = 3ns delay
10 = 1ns delay
11 = 0ns delay
00
Interrupt Enable1 Register (INTE1)
BSEL[3:0] = 0001, MP_A[1:0] = 01, R/W, Reset value = 0x0000
Field
Bit
Description
Initial State
Reserved [15:2]
0
IMB_EMPTY
[1]
IMB empty interrupt enable
Interrupt occurs when INTE1 [1] = 1 and STAT1 [1] = 1.
0
OMB_FILLED
[0]
OMB filled interrupt enable
Interrupt occurs when INTE1 [0] = 1 and STAT1 [0] = 1.
0
Status1 Register (STAT1)
BSEL[3:0] = 0001, MP_A[1:0] = 10, R/W, Reset value = 0x0002
Field
Bit
Description
Initial
State
Reserved [15:2]
0
IMB_EMPTY
[1]
IMB (In-Mail Box) empty flag
This flag is an inversion of the IMB_FILLED (ie,
CPUIFC_STAT2[17]).
1
OMB_FILLED
[0]
OMB (Out-Mail Box) filled flag
This flag is set when the out-mailbox is written by SFR
access. In order to clear this flag, HIGH value must be
written in this bit.
0