Rainbow Electronics W90N745CDG User Manual
Page 159
W90N745CD/W90N745CDG
- 154 -
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Enable Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
Out Config
BITS
DESCRIPTIONS
[31:24] Reserved
-
[23:22] Enable
The Function Enable outputs two function enable signals to
external stimulus circuit.
At this stage, only the bit 22 is used for external random collision
generator. The random collision generator used only in FPGA
emulation.
[21:8] Reserved
-
[7:6] Out
The Flag Out provides two output flags to trigger Logic Analyzer for
debug. These two bits can be written at any time.
[5:0] Config
The Configuration controls which group of internal signals can be
multiplexed out for debug. Each group includes 16 signals.
CONFIG
SIGNALS
CONFIG
SIGNALS
6’h00
OUT [6], TransDone, GrantLost,
Trans_CTR [4:0], LAST,
TransCtrExpire,
DMode_AHB_CS [5:0]
6’h01
OUT [6], DMode_TxBuf_CS [6:0]
DMode_TXFSM_CS [7:0]
6’h02
OUT [6], DMode_RXBuf_CS [5:0],
DMode_RXFSM_CS [8:0]
6’h03
OUT [6], TXFIFO_HT, TXFIFO_LT,
DMode_TFF_CS [4:0],
DMode_RFF_CS [7:0]
6’h04
TxBuf_DRDY, TFF_WPTR [5:0],
TX_START,
TXSTART, READ, TFF_RPTR [5:0]
6’h05
WRITE, RFF_WPTR [5:0],
RXFIFO_HT,
RXFIFO_LT, RxBuf_ACK, RFF_RPTR
[5:0]