Embedded Solutions
Page 12 of 37
Address Map
BIS3_BASE
0x0000
0
Base control register
BIS3_ID
0x0004
1
ID register
BIS3_IO_DATA
0x0010
4
Data register 31 - 0
BIS3_IO_DIR
0x0014
5
Direction register 31 - 0
BIS3_IO_TERM
0x0018
6
Termination register 31 - 0
BIS3_IO_MUX
0x001C
7
Mux register 31 - 0
BIS3_IO_UCNTL
0x0020
8
Upper control register 33, 32
BIS3_SWITCH
0x0024
9
User switch value
BIS3_PLL_CMD
0x0028
10 PLL control register and read-back of PLL data
BIS3_PLL_RDBK
0x002C
11 PLL control register read-back
BIS3_SDLC_CNTL_0
0x0040
16 Chan 0 SDLC control read/write port
BIS3_SDLC_CNTL_1
0x0050
20 Chan 1 SDLC control read/write port
BIS3_SDLC_CNTL_2
0x0060
24 Chan 2 SDLC control read/write port
BIS3_SDLC_CNTL_3
0x0070
28 Chan 3 SDLC control read/write port
BIS3_SDLC_CNTL_4
0x0080
32 Chan 4 SDLC control read/write port
BIS3_SDLC_CNTL_5
0x0090
36 Chan 5 SDLC control read/write port
BIS3_SDLC_CNTL_6
0x00A0
40 Chan 6 SDLC control read/write port
BIS3_SDLC_CNTL_7
0x00B0
44 Chan 7 SDLC control read/write port
BIS3_IO_RDBK
0x00C0
48 External I/O read register
BIS3_IO_RDBKUPR
0x00C4
49 External I/O upper bits read register
BIS3_INT_STAT
0x00CC
51 Interrupt status and clear register
BIS3_I2OAR
0x00D4
53 I2O address storage register
BIS3_TX_MEM_0
0x01000
Dual-port RAM 0 read/write port
BIS3_RX_MEM_0
0x02000
Dual-port RAM 1 read/write port
BIS3_TX_MEM_1
0x03000
Dual-port RAM 2 read/write port
BIS3_RX_MEM_1
0x04000
Dual-port RAM 3 read/write port
BIS3_TX_MEM_2
0x05000
Dual-port RAM 4 read/write port
BIS3_RX_MEM_2
0x06000
Dual-port RAM 5 read/write port
BIS3_TX_MEM_3
0x07000
Dual-port RAM 6 read/write port
BIS3_RX_MEM_3
0x08000
Dual-port RAM 7 read/write port
BIS3_TX_MEM_4
0x09000
Dual-port RAM 8 read/write port
BIS3_RX_MEM_4
0x0A000
Dual-port RAM 9 read/write port
BIS3_TX_MEM_5
0x0B000
Dual-port RAM 10 read/write port
BIS3_RX_MEM_5
0x0C000
Dual-port RAM 11 read/write port
BIS3_TX_MEM_6
0x0D000
Dual-port RAM 12 read/write port
BIS3_RX_MEM_6
0x0E000
Dual-port RAM 13 read/write port
BIS3_TX_MEM_7
0x0F000
Dual-port RAM 14 read/write port
BIS3_RX_MEM_7
0x10000
Dual-port RAM 15 read/write port
FIGURE 3
PMC BISERIAL-III SDLC INTERNAL ADDRESS MAP
The address map provided is for the local decoding performed within the PMC BiSerial-
III-SDLC. The addresses are all offsets from a base address, which is assigned by the
system when the PCI bus is configured.