EM77950
BB Controller
8.5 List of BB Register Mapping
Register Address
Write
Read
Default Values
0 (00000)
TX_FIFO
RX_FIFO
−
−
1 (00001)
PRE_L
PRE_H
FRC_L
FRC_H
SCR1
SCR2
SCR3
SCR4
LCR
0xFF
0xFF
0xFF
0xFF
0x00
0x60
0x01
0x00
0x00
0x00
0x00
0x00
0x3A
0x00
0x44
0x00
2 (00010)
3 (00011)
4 (00100)
5 (00101)
6 (00110)
7 (00111)
8 (01000)
9 (01001)
10 (01010)
11 (01011)
12 (01100)
13 (01101)
14 (01110)
15 (01111)
16 (10000)
17 (10001)
18 (10010)
19 (10011)
20 (10100)
BIR
NIR
PSR
PPR
BLR
CSR
IER
−
−
−
−
IIR
−
−
−
−
−
SSR
TFR
RFR
0x04
0x00
0x00
8.6 MCU BB Control Registers
8.6.1 Control Registers List
RFAAR (0x2D): Register R2D indicates WM indirect RAM address.
RFDB (0x2E): Register R2E indicates WM indirect RAM data.
RFACR (0x2F): Register R2F indicates WM RAM access control.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-
-
-
-
-
RRST
RFRD
RFWR
RFINTF (0x30): BB interrupt flags.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TX_
EMPTYF
LINK_
DISF
LOCK_OU
TF
CSDF
TX_AEF RX_AFF
RX_OFF
LOCK_ INF
Product Specification (V1.0) 10.09.2007
(This specification is subject to change without further notice)
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ELAN [ ELAN MICROELECTRONICS CORP ]
