m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 83

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
Figure 7.4 External Bus Operation with Software Wait State (1)
2
0
C
1
9
3 .
B
8 /
0
1
3
0
(3) Separate Bus with 2 Wait States
3
(1) Separate Bus with No Wait State
(2) Separate Bus with 1 Wait State
J
G
4
a
NOTES:
o r
0 -
n
BCLK
Address Bus
Write Signal
Read Signal
Data Bus
Chip-Select Signal
Read Signal
Data Bus
Chip-Select Signal
Chip-Select Signal
BCLK
Write Signal
Address Bus
3 .
BCLK
Write Signal
Data Bus
Address Bus
1
u
Read Signal
1. This example illustrates bus cycle length. Read cycle and write cycle may occur consecutively.
2. The address bus and chip-select signal may be extended depending on CPU state such as an
3. When the microcomputer continuously accesses the same external space (same CS area), the chip-
, 1
3
p
1
instruction queue buffer.
select signal may be output continuously.
(
2
M
0
0
3
6
2
C
(2)
8 /
(2)
(2)
Page 60
, 3
M
(2, 3)
(2, 3)
(2, 3)
3
2
C
f o
8 /
4
3
8
) T
8
Address
Bus cycle
Data Output
Bus cycle
Bus cycle
Address
Address
(1)
Output
Output
(1)
(1)
Bus cycle
Address
Input
(1)
Bus cycle
Address
Bus cycle
Address
(1)
(1)
Input
Input
7. Bus