m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 341

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 4.2.2. Addresses in which chip selects turn active (“L”)
4.2.2 Chip Selects and Address Bus
Chip selects (P4
memory space into four. To use the chip select, the chip select output must be enabled by setting the
chip select control register. Figure 4.2.2 shows addresses in which chip selects become active (“L”).
Since the extent of the internal area and the external area in memory expansion mode is different from
those in microprocessor mode, there is a difference between areas for which CS0 is output. When an
internal ROM/RAM area is being accessed, no chip select is output, and the address bus does not
change (the address of the external area that was accessed previously is held).
0 0 0 0 0
0 0 3 F F
0 0 4 0 0
X X X X X
0 3 F F F
04000
0 7 F F F
0 8 0 0 0
2 7 F F F
28000
2FFFF
3 0 0 0 0
C F F F F
D0000
Y Y Y Y Y
F F F F F
1 6
1 6
16
1 6
16
1 6
1 6
1 6
1 6
1 6
16
16
1 6
1 6
1 6
1 6
I n t e r n a l r e s e r v e d a r e a
I n t e r n a l R A M a r e a
I n t e r n a l r e s e r v e d a r e a
I n t e r n a l R O M a r e a
4
S F R a r e a
page 332 of 354
/CS0 through P4
______
7
/CS3) are output in areas resulting from dividing a 1-M byte
______
M e m o r y e x p a n s i o n m o d e
CS3
04000
C S 2
0 8 0 0 0
C S 1
2 8 0 0 0
C S 0
3 0 0 0 0
16
1 6
1 6
1 6
to 07FFF
t o 2 7 F F F
t o 2 F F F F
t o C F F F F
M 3 0 2 4 5 M C - X X X G P
M 3 0 2 4 5 M 8 - X X X G P
M 3 0 2 4 5 F C G P
P a r t n u m b e r
16
1 6
1 6
1 6
(16K)
( 1 2 8 K )
( 3 2 K )
( 6 4 0 K )
A d d r e s s X X X X X
0 2 B F F
0 1 7 F F
02BFF
1 6
1 6
CS3
04000
C S 2
0 8 0 0 0
C S 1
2 8 0 0 0
C S 0
3 0 0 0 0
16
M e m o r y e x p a n s i o n m o d e
1 6
A d d r e s s Y Y Y Y Y
16
1 6
1 6
1 6
E0000
E 0 0 0 0
F 0 0 0 0
_______
to 07FFF
t o 2 7 F F F
t o 2 F F F F
t o F F F F F
16
1 6
1 6
1 6
16
1 6
1 6
1 6
4. External Buses
(16K)
( 1 2 8 K )
( 3 2 K )
( 8 3 2 K )