Rev. 4.00 Sep. 14, 2005 Page xl of l
Section 25 Electrical Characteristics
Figure 25.1 Power-On Sequence................................................................................................ 908
Figure 25.2 EXTAL Clock Input Timing................................................................................... 917
Figure 25.3 CKIO Clock Input Timing...................................................................................... 917
Figure 25.4 CKIO and CKIO2 Clock Input Timing...................................................................917
Figure 25.5 Oscillation Settling Timing (Power-On)................................................................. 918
Figure 25.6 Phase Difference between CKIO and CKIO2......................................................... 918
Figure 25.7 Oscillation Settling Timing (Standby Mode Canceled by Reset)............................918
Figure 25.8 Oscillation Settling Timing (Standby Mode Canceled by NMI or IRQ).................919
Figure 25.9 Reset Input Timing..................................................................................................921
Figure 25.10 Interrupt Input Timing...........................................................................................921
Figure 25.11 Bus Release Timing.............................................................................................. 922
Figure 25.12 Pin Driving Timing in Standby Mode...................................................................922
Figure 25.13 Basic Bus Timing for Normal Space (No Wait)....................................................925
Figure 25.14 Basic Bus Timing for Normal Space (Software 1 Wait).......................................926
Figure 25.15 Basic Bus Timing for Normal Space (One Cycle of Externally Input/
WAITSEL = 0)..................................................................................................... 927
Figure 25.16 Basic Bus Timing for Normal Space (One Cycle of Externally Input/
WAITSEL = 1)..................................................................................................... 928
Figure 25.17 Basic Bus Timing for Normal Space (One Cycle of Software Wait,
External Wait Cycle Valid (WM Bit = 0), No Idle Cycle)....................................929
Figure 25.18 MPX-IO Interface Bus Cycle (Three Address Cycles,
One Software Wait Cycle, One External Wait Cycle).......................................... 930
Figure 25.19 Burst MPX-IO Interface Bus Cycle Single Read Write
(One Address Cycle, One Software Wait)............................................................ 931
Figure 25.20 Byte-Selection SRAM Bus Cycle (SW = 1 Cycle, HW = 1 Cycle, One
Asynchronous External Wait Cycle, BAS = 0 (Write Cycle UB/LB Control)).... 932
Figure 25.21 Byte-Selection SRAM Bus Cycle (SW = 1 Cycle, HW = 1 Cycle, One
Asynchronous External Wait Cycle, BAS = 1 (Write Cycle WE Control))..........933
Figure 25.22 Burst ROM Read Cycle (One Software Wait Cycle, One Asynchronous
External Burst Wait Cycle, Two Burst)................................................................ 934
Figure 25.23 Synchronous DRAM Single Read Bus Cycle (Auto Precharge,
CAS Latency 2, WTRCD = 0 Cycle, WTRP = 0 Cycle)...................................... 935
Figure 25.24 Synchronous DRAM Single Read Bus Cycle (Auto Precharge,
CAS Latency 2, WTRCD = 1 Cycle, WTRP = 1 Cycle)...................................... 936
Figure 25.25 Synchronous DRAM Burst Read Bus Cycle (Four Read Cycles)
(Auto Precharge, CAS Latency 2, WTRCD = 0 Cycle, WTRP = 1 Cycle)..........937
Figure 25.26 Synchronous DRAM Burst Read Bus Cycle (Four Read Cycles)
(Auto Precharge, CAS Latency 2, WTRCD = 1 Cycle, WTRP = 0 Cycle)..........938