r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 449

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Legend:
×
L
H
Notes: 1. In 32-bit/64-bit/16-byte/32-byte transfer, the address is automatically incremented by
Bus (Bits)
Dynamic
Bus
Sizing*
ATA
comple-
ment mode
: Don't care
: Low level
: High level
2
2. PCMCIA I/O card interface only.
Read/
Write
Write
Read
(does
not
output
DACK)
Write
(does
not
output
DACK)
Read
(outputs
DACK)
Write
(outputs
DACK)
the bus width, and the above accesses are repeated until the transfer data size is
reached.
Access
(bits)*
8
16
8
16
8
16
8
16
8
16
1
Odd/
Even
Even
Odd
Odd
Even
Even
Odd
Even
Odd
Even
Odd
Even
Odd
Even
Odd
Even
Odd
Even
Odd
Even
Odd
Even
Odd
IOIS16
H
H
H
H
H
H
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Access
⎯
First
Second
Second
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
First
CE2
H
L
H
L
H
⎯
L
⎯
H
⎯
L
⎯
H
⎯
H
H
H
⎯
H
H
H
⎯
CE1
L
H
L
L
L
⎯
H
⎯
L
⎯
H
⎯
L
⎯
H
H
H
⎯
H
H
H
⎯
Rev.1.00 Jan. 10, 2008 Page 419 of 1658
11. Local Bus State Controller (LBSC)
A0
L
H
H
L
H
⎯
L
⎯
L
⎯
L
⎯
L
⎯
L
L
H
⎯
L
L
H
⎯
D15 to D8
Invalid
Invalid
Invalid
Upper write data Lower write data
Invalid
Invalid
⎯
Upper read data Lower read data
⎯
Invalid
⎯
Upper write data Lower write data
⎯
Invalid
Read data
Upper read data Lower read data
⎯
Invalid
Write data
Upper write data Lower write data
⎯
⎯
REJ09B0261-0100
D7 to D0
Write data
Write data
Write data
Upper write data
⎯
Read data
⎯
⎯
Write data
⎯
⎯
Read data
Invalid
⎯
Write data
Invalid
⎯