r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 479

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

CLKOUT
BREQ
BACK
A25 to A0
CSn
R/W
RD
WEn
D31 to D0
(write)
BS
BREQ
BACK
A25 to A0
CSn
R/W
RD
WEn
D31 to D0
(write)
BS
Figure 11.42 Arbitration Sequence
Master access
Slave-mode device access
Master-mode device access
for 2 cycles or more
Asserted for 2 cycles or more
Must be asserted
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Slave access
Negated within 2 cycles
Rev.1.00 Jan. 10, 2008 Page 449 of 1658
11. Local Bus State Controller (LBSC)
Must be negated
within 2 cycles
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Master access
REJ09B0261-0100