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Chapter 4
Bus Control Function
Preliminary User’s Manual U15839EE1V0UM00
(1)
Peripheral area selection control register (BPC)
This register can be read/written in 16-bit units.
Figure 4-4:
Peripheral Area Selection Control Register (BPC)
Remark:
The recommended setting for the peripheral area selection control register (BPC) is
x8600H. With this configuration the effective start address of the programmable peripheral
area is mapped to x1800000H.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Address
Initial
value
BPC PA15
0
PA13 PA12 PA11 PA10 PA9 PA8 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 FFFFF064H 0000H
Bit Position
Bit Name
Function
15
PA15
Enables/disables usage of programmable peripheral I/O area
PA15
Usage of Programmable Peripheral I/O Area
0
Disables usage of programmable peripheral I/O area
1
Enables usage of programmable peripheral I/O area
13 to 0
PA13 to PA0 Specifies the bit 27 to bit 14 of the starting address of the programmable periph-
eral I/O area (The other bits are fixed at zero).
Summary of Contents for mPD703128
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