MC68306 Motorola, MC68306 Datasheet - Page 4

• Manufacturer Part Number: MC68306
• Description: Integrated EC000 Processor
• Manufacturer: Motorola

2.1.4 Bus Request (BR) ................................................................................................ 2-5
2.1.5 Bus Grant (BG ) .................................................................................................... 2-6
2.1.6 Bus Grant Acknowledge (BGACK) ....................................................................... 2-6
2.1.15 Lower Byte Write (LW )....................................................................................... 2-8
2.1.16 Output Enable (OE) ........................................................................................... 2-8
2.1.17 Reset (RESET ) .................................................................................................. 2-8
2.2 Chip Select Signals................................................................................................. 2-9
Paragraph
1.1 MC68EC000 Core processor.................................................................................. 1-2
1.2 On-Chip Peripherals ............................................................................................... 1-3
1.2.1 Serial Module ....................................................................................................... 1-3
1.2.2 DRAM Controller .................................................................................................. 1-4
1.2.3 Chip Selects......................................................................................................... 1-4
1.2.4 Parallel Ports........................................................................................................ 1-4
1.2.5 Interrupt Controller ............................................................................................... 1-4
1.2.6 Clock .................................................................................................................... 1-5
1.2.7 Bus Timeout Monitor ............................................................................................ 1-5
1.2.8 Mode Controller ................................................................................................... 1-5
1.2.9 IEEE 1149.1 Test................................................................................................. 1-5
2.1 Bus Signals ............................................................................................................. 2-5
2.1.1 Address Bus (A23–A1) ........................................................................................ 2-5
2.1.2 Address Strobe (AS) ............................................................................................ 2-5
2.1.3 Bus Error (BERR ) ................................................................................................ 2-5
2.1.7 Data Bus (D15–D0) ............................................................................................. 2-6
2.1.8 Data Transfer Acknowledge (DTACK) ................................................................. 2-6
2.1.9 DRAM Multiplexed Address Bus (DRAMA14 –DRAMA0) ..................................... 2-6
2.1.10 Processor Function Codes (FC2–FC0).............................................................. 2-6
2.1.11 Halt (HALT) ........................................................................................................ 2-7
2.1.12 Read/Write (R/W) ............................................................................................... 2-7
2.1.13 Upper And Lower Data Strobes (UDS , LDS ) ..................................................... 2-7
2.1.14 Upper Byte Write (UW ) ...................................................................................... 2-8
MOTOROLA
Number
TABLE OF CONTENTS
MC68306 USER'S MANUAL
Signal Descriptions
Introduction
Section 1
Section 2
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Number
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