p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 12

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

6.5
6.6
6.7
6.8
Section 7 Data Transfer Controller (DTC)........................................................ 125
7.1
7.2
7.3
7.4
7.5
7.6
7.7
Rev. 1.00 Sep. 21, 2006 Page xii of xxxviii
Basic Bus Interface ........................................................................................................... 113
6.5.1
6.5.2
6.5.3
6.5.4
Burst ROM Interface ........................................................................................................ 120
6.6.1
6.6.2
Idle Cycle.......................................................................................................................... 121
Bus Arbitration ................................................................................................................. 123
6.8.1
6.8.2
Features............................................................................................................................. 126
Register Descriptions........................................................................................................ 127
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
Activation Sources............................................................................................................ 133
Location of Register Information and DTC Vector Table ................................................ 134
Operation .......................................................................................................................... 136
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.5.6
7.5.7
Procedures for Using DTC ............................................................................................... 144
7.6.1
7.6.2
Examples of Use of the DTC............................................................................................ 145
7.7.1
7.7.2
Data Size and Data Alignment.......................................................................... 113
Valid Strobes .................................................................................................... 115
Basic Operation Timing.................................................................................... 116
Wait Control ..................................................................................................... 118
Basic Operation Timing.................................................................................... 120
Wait Control ..................................................................................................... 121
Priority of Bus Masters ..................................................................................... 123
Bus Transfer Timing......................................................................................... 123
DTC Mode Register A (MRA) ......................................................................... 128
DTC Mode Register B (MRB).......................................................................... 129
DTC Source Address Register (SAR)............................................................... 130
DTC Destination Address Register (DAR)....................................................... 130
DTC Transfer Count Register A (CRA) ........................................................... 130
DTC Transfer Count Register B (CRB)............................................................ 130
DTC Enable Registers (DTCER)...................................................................... 131
DTC Vector Register (DTVECR)..................................................................... 132
Normal Mode.................................................................................................... 137
Repeat Mode..................................................................................................... 138
Block Transfer Mode ........................................................................................ 139
Chain Transfer .................................................................................................. 140
Interrupt Sources............................................................................................... 141
Operation Timing.............................................................................................. 141
Number of DTC Execution States .................................................................... 143
Activation by Interrupt...................................................................................... 144
Activation by Software ..................................................................................... 144
Normal Mode.................................................................................................... 145
Software Activation .......................................................................................... 146