M30622SAFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622SAFP Datasheet - Page 28

• Manufacturer Part Number: M30622SAFP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Bus Control
28
Figure 1.9.1. Chip select control register
Table 1.9.2. External areas specified by the chip select signals
(A product having an internal RAM of more than 15K bytes and a ROM of more than 192K bytes)
Memory expansion mode
Microprocessor mode
Chip select control register
Processor mode
b7
b6
b5
b4
b3
b2
b1
b0
Bit symbol
When PM13=0
30000
30000
CS0
CS1
CS2
CS3
When PM13=1
03000
CS0W
CS1W
CS2W
CS3W
Symbol
CSR
(640K bytes)
(576K bytes)
(816K bytes)
16
16
16
CS0
to CFFFF
to BFFFF
to FFFFF
CS0 output enable bit
CS1 output enable bit
CS2 output enable bit
CS3 output enable bit
CS0 wait bit
CS1 wait bit
CS2 wait bit
CS3 wait bit
Bit name
16
16
16
Address
0008
16
(32K bytes)
28000
Chip select signal
2FFFF
CS1
When reset
16
16
0 : Wait state inserted
1 : No wait state
0 : Chip select output disabled
1 : Chip select output enabled
to
01
(Normal port pin)
16
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Function
(128K bytes)
08000
27FFF
CS2
16
16
to
M16C / 62A Group
Mitsubishi microcomputers
When PM13=0
When PM13=1
R
(16K bytes)
04000
06000
(8K bytes)
07FFF
07FFF
W
CS3
16
16
16
16
to
to