r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1614

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

32. Electrical Characteristics
Rev.1.00 Jan. 10, 2008 Page 1584 of 1658
REJ09B0261-0100
A25 to A0
CExx
REG (WE0)
RD/WR
ICIOWR (WE2)
D15 to D0
(Read)
ICIORD (WE3)
D15 to D0
(Write)
BS
RDY
IOIS16
DACKn
(DA)
Legend:
IO:
SA:
DA:
Note: DACK is configured as active-high.
CLKOUT
DACK device
Single-address DMA transfer
Dual-address DMA transfer
(1) TED = 0, THE = 0, no wait
t
t
t
DACD
BSD
IO16S
Tpci1
t
t
CSD
AD
t
RWD
t
ICWSDF
t
ICRSD
t
WDD
Tpci2
t
RDS
t
BSD
t
t
Figure 32.18 PCMCIA I/O Bus Cycle
ICWSDF
IO16H
t
ICRSD
t
DACD
t
t
t
t
CSD
AD
RWD
WDD
t
RDH
t
t
t
ICWSDF
BSD
DACD
Tpci0
t
t
t
t
t
CSD
ICRSD
AD
WDD
RWD
(2) TED = 1, THE = 1, internal wait + external wait cycles
t
t
WDD
BSD
Tpci1
t
ICWSDF
t
RDYS
Tpci1w
t
ICRSD
t
IO16S
t
RDYS
Tpci1w
t
RDYH
Tpci2
t
RDS
t
t
RDYH
IO16H
t
ICWSDF
Tpci2w
t
ICRSD
t
RDH
t
DACD
t
t
t
t
CSD
WDD
AD
RWD