UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 427

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Remark The read-modify-write timing is the operation when a bit manipulation instruction is executed.
Internal wait signal
(1-clock wait)
AD0 to AD7
AD0 to AD7
AD0 to AD7
A8 to A15
A8 to A15
A8 to A15
ASTB
ASTB
WAIT
ASTB
WR
WR
RD
WR
RD
RD
Figure 20-8. External Memory Read-Modify-Write Timing
CHAPTER 20 EXTERNAL DEVICE EXPANSION FUNCTION
(c) External wait (PW1, PW0 = 1, 1) setting
Lower
address
Lower
address
Lower
address
(a) No wait (PW1, PW0 = 0, 0) setting
(b) Wait (PW1, PW0 = 0, 1) setting
User’s Manual U14260EJ4V0UD
Read data
Read data
Read data
Higher address
Higher address
Higher address
Hi-Z
Hi-Z
Hi-Z
Write data
Write data
Write data
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