HD6437101 RENESAS [Renesas Technology Corp], HD6437101 Datasheet - Page 536

• Manufacturer Part Number: HD6437101
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 20 Electrical Characteristics
20.3.6
Table 20.8 shows the I/O port timing.
Table 20.8 I/O Port Timing
Conditions: V
Item
Port output data delay time
Port input hold time
Port input setup time
[Operating precautions]
Note:
Rev.1.00 Sep. 18, 2008 Page 502 of 522
REJ09B0069-0100
CK
TCLKA to
TCLKD
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 20.15. If the setup
times shown here are not observed, recognition may be delayed until the clock falling two
states after that timing.
* For details on correspondence of the standard product, wide temperature-range product,
I/O Port Timing
and product model name, refer to description of maximum operating frequency and
operating temperature range in section 1.1, Features.
CK
Port
(read)
Port
(write)
to +75°C (standard product*), T
product*)
CC
= 4.0 V to 5.5 V, AV
Figure 20.15 I/O Port Input/Output Timing
Figure 20.14 MTU Clock Input Timing
t
TCKWL
t
Symbol
t
t
t
PRS
PWD
PRH
PRS
CC
= 4.0 V to 5.5 V, V
t
PRH
a
= –40°C to +85°C (wide temperature-range
t
Min.
—
19
19
TCKS
t
PWD
SS
t
TCKWH
= PLLV
Max.
100
—
—
SS
= AV
Unit
ns
ns
ns
SS
= 0 V, T
t
TCKS
Figure
Figure 20.15
a
= –20°C