22.3.4
Clock Timing
Clock timing is shown as follows:
• Oscillator settling timing
Figure 22.22 shows the oscillator settling timing.
φ
V
CC
STBY
t
OSC1
RES
22.3.5
TPC and I/O Port Timing
Figure 22.23 shows the TPC and I/O port timing.
φ
Port 1 to B
(read)
Port 1 to 6,
8 to B
(write)
Figure 22.23 TPC and I/O Port Input/Output Timing
Figure 22.22 Oscillator Settling Timing
T
T
1
2
t
PRS
Section 22 Electrical Characteristics
T
3
t
PRH
t
PWD
Rev. 7.00 Sep 21, 2005 page 723 of 878
t
OSC1
REJ09B0259-0700