UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 630

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

590
* f
(c) Write timing with no address wait insertion
(d) Write timing with address wait insertion
CLK
: Internal system clock frequency. This signal is present inside the PD784026 only.
AD0 - AD7
A8 - A19
ASTB
f
CLK
WR
AD0 - AD7
*
A8 - A19
ASTB
f
WR
Hi-Z
CLK
*
Figure 21-10 Address Wait Function Read/Write Timing (3/3)
Hi-Z
CHAPTER 21 LOCAL BUS INTERFACE FUNCTION
Low-Order Address
Low-Order
Address
High-Order Address
High-Order Address
Hi-Z
Hi-Z
Output Data
Output Data
Hi-Z
Hi-Z