Atmel AT89C5131A-L Manuals

Manuals and User Guides for Atmel AT89C5131A-L. We have 1 Atmel AT89C5131A-L manual available for free PDF download: Manual

Atmel AT89C5131A-L Manual (186 pages)

8-bit Flash Microcontroller with Full Speed USB Device

Brand: Atmel | Category: Microcontrollers | Size: 1.93 MB

Features
1
Description
2
Block Diagram
3
Pinout Description
4
Pinout
4
Signals
6
Typical Application
11
Recommended External Components
11
PCB Recommandations
12
Clock Controller
13
Introduction
13
Oscillator
13
Pll
14
Registers
16
SFR Mapping
18
Dual Data Pointer Register
25
Program/Code Memory
27
External Code Memory Access
27
Flash Memory Architecture
28
Overview of FM0 Operations
29
Registers
35
Flash EEPROM Memory
36
General Description
36
Features
36
Flash Programming and Erasure
36
Flash Registers and Memory Map
37
Flash Memory Status
40
Memory Organization
40
EEPROM Data Memory
41
Description
41
Write Data in the Column Latches
41
Programming
41
Read Data
41
Registers
42
In-System Programming (ISP)
43
Flash Programming and Erasure
43
Boot Process
44
Application-Programming-Interface
45
XROW Bytes
45
Hardware Conditions
45
On-Chip Expanded RAM (ERAM)
47
Timer 2
50
Auto-Reload Mode
50
Programmable Clock Output
51
Programmable Counter Array (PCA)
55
PCA Capture Mode
62
16-Bit Software Timer/Compare Mode
62
High Speed Output Mode
63
Pulse Width Modulator Mode
64
PCA Watchdog Timer
65
Serial I/O Port
66
Framing Error Detection
66
Automatic Address Recognition
67
Baud Rate Selection for UART for Mode 1 and 3
69
UART Registers
72
Interrupt System
76
Overview
76
Registers
77
Interrupt Sources and Vector Addresses
84
Keyboard Interface
85
Introduction
85
Description
85
Registers
86
Programmable LED
89
Serial Peripheral Interface (SPI)
90
Features
90
Signal Description
90
Functional Description
92
Two Wire Interface (TWI)
99
Description
101
Notes
104
Registers
114
USB Controller
116
Description
116
Configuration
119
Read/Write Data FIFO
121
Bulk/Interrupt Transactions
122
Control Transactions
126
Isochronous Transactions
127
Miscellaneous
129
Suspend/Resume Management
130
Detach Simulation
133
USB Interrupt System
133
USB Registers
136
Reset
148
Introduction
148
Reset Input
148
Reset Output
149
Power Monitor
150
Description
150
Power Management
152
Idle Mode
152
Power-Down Mode
152
Registers
154
Hardware Watchdog Timer
155
Using the WDT
155
WDT During Power-Down and Idle
156
ONCE Mode (on Chip Emulation)
157
Reduced EMI Mode
158
Electrical Characteristics
159
Absolute Maximum Ratings
159
DC Parameters
159
USB DC Parameters
162
AC Parameters
163
USB AC Parameters
173
SPI Interface AC Parameters
173
Ordering Information
177
Packaging Information
178
64-Lead VQFP
178
52-Lead PLCC
179

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