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HT66F2740
Holtek HT66F2740 Manuals
Manuals and User Guides for Holtek HT66F2740. We have
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Holtek HT66F2740 manual available for free PDF download: Manual
Holtek HT66F2740 Manual (202 pages)
12V High Current Flash MCU
Brand:
Holtek
| Category:
Control Unit
| Size: 3 MB
Table of Contents
Table of Contents
2
Features
7
CPU Features
7
Peripheral Features
7
General Description
8
Block Diagram
8
Pin Assignment
9
Pin Description
10
Absolute Maximum Ratings
14
D.C. Characteristics
14
Operating Voltage Characteristics
14
Standby Current Characteristics
14
Operating Current Characteristics
15
A.C. Characteristics
15
High Speed Internal Oscillator - HIRC - Frequency Accuracy
15
Low Speed Internal Oscillator Characteristics - LIRC
16
Operating Frequency Characteristic Curves
16
System Start up Time Characteristics
16
Input/Output Characteristics
17
Memory Characteristics
17
LVR/LVD Electrical Characteristics
18
Internal Reference Voltage Characteristics
18
Over Voltage Protection Electrical Characteristics
19
High Voltage I/O Electrical Characteristics
19
Voltage Detector Electrical Characteristics
19
High Voltage I/O Other Electrical Characteristics
20
Low Dropout Regulator Electrical Characteristics
20
LDO Other Electrical Characteristics
21
A/D Converter Electrical Characteristics
22
Power-On Reset Characteristics
22
System Architecture
22
Clocking and Pipelining
23
Program Counter
23
Stack
24
Arithmetic and Logic Unit - ALU
24
Flash Program Memory
25
Structure
25
Special Vectors
25
Look-Up Table
26
In Circuit Programming - ICP
27
On-Chip Debug Support - OCDS
28
Data Memory
29
Structure
29
Data Memory Addressing
30
General Purpose Data Memory
30
Special Purpose Data Memory
30
Special Function Register Description
32
Indirect Addressing Registers - IAR0, IAR1, IAR2
32
Memory Pointers - MP0, MP1L, MP1H, MP2L, MP2H
32
Accumulator - ACC
33
Program Counter Low Register - PCL
34
Look-Up Table Registers - TBLP, TBHP, TBLH
34
Status Register - STATUS
34
EEPROM Data Memory
36
EEPROM Data Memory Structure
36
EEPROM Registers
36
Reading Data from the EEPROM
37
Writing Data to the EEPROM
38
Write Protection
38
EEPROM Interrupt
38
Programming Considerations
38
Oscillators
40
Oscillator Overview
40
System Clock Configurations
40
Internal High Speed RC Oscillator - HIRC
41
Internal 32Khz Oscillator - LIRC
41
Operating Modes and System Clocks
41
System Clocks
41
System Operation Modes
42
Control Registers
43
Operating Mode Switching
45
Standby Current Considerations
48
Wake-Up
48
Watchdog Timer
49
Watchdog Timer Clock Source
49
Watchdog Timer Control Register
49
Watchdog Timer Operation
50
Reset and Initialisation
51
Reset Functions
51
Reset Initial Conditions
53
Input/Output Ports
57
Pull-High Resistors
57
Port a Wake-Up
58
I/O Port Control Registers
58
I/O Port Source Current Control
58
Pin-Shared Functions
59
I/O Pin Structures
65
Programming Considerations
65
Timer Modules - TM
66
Introduction
66
TM Operation
66
TM Clock Source
66
TM Interrupts
67
TM External Pins
67
Programming Considerations
68
Compact Type TM - CTM
69
Compact Type TM Operation
69
Compact Type TM Register Description
70
Compact Type TM Operating Modes
74
Standard Type TM - STM
80
Standard Type TM Operation
80
Standard Type TM Register Description
80
Standard Type TM Operation Modes
85
Periodic Type TM - PTM
95
Periodic Type TM Operation
95
Periodic Type TM Register Description
95
Periodic Type TM Operation Modes
100
Over Voltage Protection - OVP
109
Over Voltage Protection Registers
109
Input Offset Calibration
111
Low Dropout Regulator - LDO
112
High Voltage I/O Ports
112
High Voltage I/O Registers
114
Voltage Detector
117
Short-Circuit Protection Function
118
Universal Serial Interface Module - USIM
119
SPI Interface
119
I 2 C Interface
127
UART Interface
137
Analog to Digital Converter
152
A/D Converter Overview
152
A/D Converter Register Description
153
A/D Converter Reference Voltage
155
A/D Converter Input Signals
156
A/D Converter Operation
156
Conversion Rate and Timing Diagram
157
Summary of A/D Conversion Steps
158
Programming Considerations
159
A/D Conversion Function
159
A/D Conversion Programming Examples
160
Low Voltage Detector - LVD
161
LVD Register
161
LVD Operation
162
Interrupts
163
Interrupt Registers
163
Interrupt Operation
167
External Interrupts
168
Over Voltage Protection Interrupt
169
USIM Interrupt
169
Standard and Periodic Type TM Interrupts
169
LVD Interrupt
170
A/D Converter Interrupt
170
EEPROM Interrupt
170
Time Base Interrupts
170
High Voltage Short Circuit Interrupt
172
Multi-Function Interrupt
172
Compact Type TM Interrupts
172
Interrupt Wake-Up Function
173
Programming Considerations
173
Configuration Options
174
Application Circuits
174
Instruction Set
175
Introduction
175
Instruction Timing
175
Moving and Transferring Data
175
Arithmetic Operations
175
Logical and Rotate Operation
176
Branches and Control Transfer
176
Bit Operations
176
Other Operations
176
Instruction Set Summary
177
Extended Instruction Set
179
Instruction Definition
181
Extended Instruction Definition
190
Package Information
197
16-Pin NSOP-EP (150Mil) Outline Dimensions
198
24-Pin SSOP-EP (150Mil) Outline Dimensions
199
24-Pin SOP (300Mil) Outline Dimensions
200
28-Pin SOP (300Mil) Outline Dimensions
201
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