r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1611

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

CLKOUT
A25 to A5
A4 to A0
CSn
RD/WR
RD
D31 to D0
(Read)
BS
RDY
DACKn
(SA: IO ← memory)
DACKn
(DA)
Legend:
IO:
SA:
DA:
Note: DACK is configured as active-high.
Figure 32.15 Burst ROM Bus Cycle (CSnWCR.IW = 0000, CSnWCR.RDS = 001,
DACK device
Single-address DMA transfer
Dual-address DMA transfer
CSnWCR.WTS = 001, CSnWCR.RDH = 001, CSnWCR.WTH = 001)
t
BSD
TS1
t
t
t
t
t
AD
RWD
CSD
DACD
DACD
t
T1
BSD
t
DACD
t
RDS
TB2
t
RSD
TH1
t
DACD
t
RDH
TS1
t
AD
TB1
TB2
TH1
TS1
Rev.1.00 Jan. 10, 2008 Page 1581 of 1658
TB1
TB2
TH1
32. Electrical Characteristics
TS1
TB1
REJ09B0261-0100
t
RDS
T2
TH1
t
DACD
t
RDH
t
t
t
t
AD
RSD
CSD
RWD