December 1999
TinyRISC
EV4101 Microprocessor Reference Device Technical Summary
1
TinyRISC
EV4101Microprocessor
Reference Device
Technical Summary
Contents
1
2
3
4
Introduction
Features
Block Diagram
EV4101 Programming Model Details
4.1
DBX Overview
4.2
SerialICE Port Overview
4.3
BBCC Overview
4.4
System Configuration Register
4.5
Timer Overview
Instruction Set Summary
Signal Descriptions
6.1
Bus Interface Signals
6.2
Miscellaneous Signals
6.3
Test Signals
Bus Interface
7.1
Single Word Read and Burst Read Operations
7.2
Single Word Writes and Burst Writes
Retry Support
Bus Error Support (Abort)
10 Burst Accesses
11 Arbitration
11.1
Mode 1: REQN (Input), GNTN (Output)
11.2
Mode 2: REQN (Output), GNTN (Input)
12 Inpage Support
13 Bus Snooping Support
14 Specifications
14.1
AC Timing
14.2
Electrical Requirements
15 Pinout, Package, and Ordering Information
5
6
6
8
8
17
21
22
29
31
36
37
40
42
44
44
46
49
50
50
51
51
52
55
55
56
56
58
60
5
6
7
8
9
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