upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 297

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Bus and Memory Control (BCU, MEMC)
15
15
8
7
0
Halfword
8
7
0
Halfword
data
data
Figure 7-23
Figure 7-24
1-st Access
1-st Access
7
0
7
0
data bus
data bus
External
External
(2)
2n
2n
Address
Address
Halfword access (16 bits)
(a) Little endian
Left: Access to even address (2n)
Right: Access to odd address (2n + 1)
(b) Big endian
Left: Access to even address (2n)
Right: Access to odd address (2n + 1)
Preliminary User’s Manual U17566EE1V2UM00
15
15
8
7
0
Halfword
8
7
0
Halfword
data
data
2-nd Access
2-nd Access
7
0
7
0
data bus
External
data bus
External
2n + 1
2n + 1
Address
Address
15
15
8
7
0
Halfword
8
7
0
Halfword
data
data
1-st Access
1-st Access
7
0
7
0
data bus
External
data bus
External
2n + 1
2n + 1
Address
Address
15
15
8
7
0
Halfword
8
7
0
Halfword
data
data
2-nd Access
2-nd Access
7
0
7
0
data bus
External
data bus
External
Chapter 7
2n + 2
2n + 2
Address
Address
297