H8SX1663 datasheet(31/1158 Pages) RENESAS

31 / 1158 page

Rev.1.00 Jun. 07, 2006 Page xxxi of x lii

Figure 6.30 Example of Burst ROM Access Timing (ASTn = 0, One Burst Cycle) .................. 216

Figure 6.31 8-Bit Access Space Access Timing (ABWHn = 1, ABWLn = 1) ........................... 220

Figure 6.32 16-Bit Access Space Access Timing (ABWHn = 0, ABWLn = 1) ......................... 221

Figure 6.33 Access Timing of 3 Address Cycles (ADDEX = 1) ................................................ 222

Figure 6.34 Read Strobe Timing................................................................................................. 224

Figure 6.35 Chip Select (

CS) Assertion Period Extension Timing in Data Cycle......................225

Figure 6.36 Consecutive Read Accesses to Same Area

(Address/Data Multiplexed I/O Space)................................................................... 226

Figure 6.37

DACK Signal Output Timing..................................................................................227

Figure 6.38 DRAM Basic Access Timing (RAS = 0 and CAST = 0) ........................................ 230

Figure 6.39 Access Timing Example of Column Address Output Cycles for

3 Clock Cycles (RAST = 0)..................................................................................... 231

Figure 6.40 Access Timing Example of

RAS Signal Driven Low at Start of Tr Cycle

(CAST = 0) ............................................................................................................. 232

Figure 6.41 Access Timing Example when One Trw Cycle is Specified ................................... 233

Figure 6.42 Access Timing Example of Two Precharge Cycles (RAST = 0 and CAST = 0) .... 234

Figure 6.43 Example of Wait Cycle Insertion Timing for 2-Cycle Column Address Output..... 236

Figure 6.44 Example of Wait Cycle Insertion Timing for 3-Cycle Column Address Output..... 237

Figure 6.45 Timing Example of Byte Control with Use of Two CAS Signals

(Write Access with Lowest Bit of Address = B'0, RAST = 0, CAST = 0) ............. 238

Figure 6.46 Timing Example of Word Control with Use of Two CAS Signals

(Read Access with Lowest Bit of Address = B'0, RAST = 0, CAST = 0) .............. 239

Figure 6.47 Example of Connection for Control with Two CAS Signals................................... 240

Figure 6.48 Operation Timing of Fast-Page Mode (RAST = 0, CAST = 0)............................... 241

Figure 6.49 Operation Timing of Fast-Page Mode (RAST = 0, CAST = 1)............................... 242

Figure 6.50 Timing Example of RAS Down Mode (RAST = 0, CAST = 0).............................. 244

Figure 6.51 Timing Example of RAS Up Mode (RAST = 0, CAST = 0)................................... 245

Figure 6.52 RTCNT Operation................................................................................................... 246

Figure 6.53 Compare Match Timing .......................................................................................... 247

Figure 6.54 CBR Refresh Timing...............................................................................................247

Figure 6.55 CBR Refresh Timing

(RCW1 = 0, RCW0 = 1, RLW2 = 0, RLW1 = 0, RLW0 = 0) ................................ 248

Figure 6.56 Self-Refresh Timing ................................................................................................ 249

Figure 6.57 Timing Example when 1 Precharge Cycle Added................................................... 250

Figure 6.58 Output Timing Example of

DACK when DDS = 1 (RAST = 0, CAST = 0) ..........252

Figure 6.59 Output Timing Example of

DACK when DDS = 0 (RAST = 0, CAST = 1) ..........253

Figure 6.60 SDRAM Basic Read Access Timing (CAS Latency = 2) ....................................... 257

Figure 6.61 SDRAM Basic Write Access Timing...................................................................... 258

Figure 6.62 Timing Example of CAS Latency (CAS Latency = 3)............................................ 260

H8SX1663 数据表(PDF) 31 Page - Renesas Technology Corp

H8SX1663 数据表(HTML) 31 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载