Memory Write - NEC V850/SB1 User Manual

CLKOUT (output)
A16 to A21 (output)
A1 to A15 (output)
AD0 to AD15 (I/O)
ASTB (output)
R/W (output)
RD (output)
DSTB (output)
WRH, WRL (output)
UBEN, LBEN (output)
WAIT (input)
Note AD0 to AD7 output invalid data when odd-address byte data is accessed.
AD8 to AD15 output invalid data when even-address byte data is accessed.
Remarks 1. indicates the sampling timing when the number of programmable waits is set to 0.
2. The broken line indicates the high-impedance state.
CHAPTER 4 BUS CONTROL FUNCTION
Figure 4-9. Memory Write (1/2)
(a) 0 waits
T1
Address
H
User's Manual U13850EJ6V0UD
T2 T3
Address
Address
Note
Data
141