Motorola DragonBall MC9328MX1 Reference Manual page 137

Table 7-1. R-AHB to IP Bus Interface Operation (Big Endian—Read Operation) (Continued)
haddr
Transfer
Size
[1] [0]
Word NA NA
Table 7-2. R-AHB to IP Bus Interface Operation (Big Endian—Write Operation)
haddr
Transfer
Size
[1] [0]
Byte 0 0
0 1
1 0
1 1
0 0 16-bit
0 1
1 0
1 1
0 0 32-bit
0 1
1 0
1 1
MOTOROLA
ips_addr
IP
Bus
R-AHB
Size
[1] [0]
[31:24]
8-bit 0 0 ips_rdata[7:0]
1 ips_rdata[7:0]
1 0 ips_rdata[7:0]
1 ips_rdata[7:0]
16-bit 0 X ips_rdata[15:8]
1 X ips_rdata[15:8]
32-bit X X ips_rdata
[31:24]
ips_addr
IP
Bus
R-AHB
Size
[1] [0]
[31:24]
8-bit 0 0 ips_wdata[7:0]
0 1
1 0
1 1
0 X ips_wdata
[15:8]
1 X
X X ips_wdata
[31:24]
X X
AHB to IP Bus Interface (AIPI)
Active Bus Section (IP Bus to R-AHB)
R-AHB
[23:16]
ips_rdata[7:0]
ips_rdata[7:0]
ips_rdata[7:0]
ips_rdata[7:0]
ips_rdata[7:0]
ips_rdata[7:0]
ips_rdata
[23:16]
Active Bus Section (R-AHB to IP Bus)
R-AHB
[23:16]
–
– ips_wdata[7:0]
– –
– –
–
– ips_wdata[7:0]
– –
– –
–
– ips_wdata
[23:16]
– –
– –
Overview
R-AHB R-AHB
[15:8] [7:0]
ips_rdata[7:0] ips_rdata[7:0]
ips_rdata[7:0] ips_rdata[7:0]
ips_rdata[7:0] ips_rdata[7:0]
ips_rdata[7:0] ips_rdata[7:0]
ips_rdata[15:8] ips_rdata[7:0]
ips_rdata[15:8] ips_rdata[7:0]
ips_rdata[15:8] ips_rdata[7:0]
R-AHB R-AHB
[15:8] [7:0]
– –
– –
ips_wdata[7:0] –
– ips_wdata[7:0]
– –
– –
ips_wdata –
[15:8]
– ips_wdata[7:0]
– –
– –
ips_wdata –
[15:8]
– ips_wdata[7:0]
7-5