HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 681

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Pin Name
CS7–CS0
RAS
CASH
CASL
AH
RD
WRH/LBS
WRL/WR
A0/HBS
A21–A1
AD15–AD8
AD7–AD0
DPH
DPL
R: Read
W: Write
Valid: Chip select signal for the area accessed is low; other chip select signals are high.
Parity: When an area 2 parity check is selected with the parity check enable bits (PCHK1, PCHK0)
Note: * Cannot be used; available only for 16-bit space access.
in the parity control register (PCR), this pin is used as the parity pin.
R
W
R
W
R
W
8-Bit
Space
Valid
High
High
High
Low
Low
High
— *
— *
High
Low
A0
Address Address
High-Z
Data
High-Z
Parity
Upper
Byte
Valid
High
High
High
Low
Low
High
High
Low
High
High
A0
Data
High-Z
Parity
High-Z
WRH, WRL, A0 System
Lower
Byte
Valid
High
High
High
Low
Low
High
High
High
High
Low
A0
Address
High-Z
Data
High-Z
Parity
External Memory Space
Word
Valid
High
High
High
Low
Low
High
High
Low
High
Low
A0
Address
Data
Data
Parity
Parity
16-Bit Space
Rev. 7.00 Jan 31, 2006 page 655 of 658
Upper
Byte
Valid
High
High
High
Low
Low
High
High
High
High
Low
Low
Address
Data
High-Z
Parity
High-Z
WR, HBS, LBS System
Appendix B Pin States
Lower
Byte
Valid
High
High
High
Low
Low
High
Low
Low
High
Low
High
Address
High-Z
Data
High-Z
Parity
REJ09B0272-0700
Word
Valid
High
High
High
Low
Low
High
Low
Low
High
Low
Low
Address
Data
Data
Parity
Parity