SH7047 Datasheet, PDF (674/764 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTMRISC engine Family/SH7000 Series

25.3.6 I/O Port Timing
Table 25.8 shows I/O port timing.
Table 25.8 I/O Port Timing
Conditions: V_CC = 5.0 V ±0.5 V, AV_CC = 5.0 V ±0.5 V, V_SS = PLLV_SS = AV_SS = 0 V, T_a = –20°C to
+75°C (Standard product)*, T_a = –40°C to +85°C (Wide temperature-range
product)*.
Item
Port output data delay time
Port input hold time
Port input setup time
Symbol
t_PWD
t
PRH
t
PRS
Min
—
19
19
Max
Unit
Figures
100
ns
Figure 25.15
—
ns
—
ns
[Operating precautions]
The port input signals are asynchronous. They are, however, considered to have been changed at
CK clock falling edge with two-state intervals shown in figure 25.15. If the setup times shown
here are not observed, recognition may be delayed until the clock falling two states after that
timing.
Note: * See page 2 for correspondence of the standard product, wide temperature-range
product, and product model name.
CK
Port
(read)
Port
(write)
t_PRS t_PRH
t_PWD
Figure 25.15 I/O Port Input/Output timing
Rev. 2.00, 09/04, page 634 of 720