Holtek HT45F8550 Manuals

Manuals and User Guides for Holtek HT45F8550. We have 1 Holtek HT45F8550 manual available for free PDF download: Manual

Holtek HT45F8550 Manual (221 pages)

BMS Flash MCU

Brand: Holtek | Category: Microcontrollers | Size: 3 MB

Table of Contents
2
Features
7
CPU Features
7
Peripheral Features
7
General Description
8
Block Diagram
9
Pin Assignment
9
Pin Description
10
Interconnection Signal Description
14
Absolute Maximum Ratings
14
Recommended Operating Ratings
14
D.C. Characteristics
15
Operating Voltage Characteristics
15
Operating Current Characteristics
15
Standby Current Characteristics
16
A.C. Characteristics
17
High Speed Internal Oscillator - HIRC
17
External High Speed Crystal/Ceramic Oscillator - HXT
17
Low Speed Internal Oscillator Characteristics - LIRC
18
External Low Speed Crystal Oscillator Characteristics - LXT
18
Operating Frequency Characteristic Curves
18
System Start up Time Characteristics
18
Input/Output Characteristics
19
Memory Characteristics
20
A/D Converter Electrical Characteristics
20
LVD/LVR Electrical Characteristics
22
Reference Voltage Electrical Characteristics
22
Comparator Electrical Characteristics
23
Voltage Regulator Electrical Characteristics
23
Accumulative Cell Voltage Monitor Electrical Characteristics
24
I 2 C Electrical Characteristics
25
Power-On Reset Characteristics
26
System Architecture
26
Clocking and Pipelining
26
Program Counter
27
Stack
28
Arithmetic and Logic Unit - ALU
28
Flash Program Memory
29
Structure
29
Special Vectors
29
Look-Up Table
29
In Circuit Programming - ICP
31
On-Chip Debug Support - OCDS
31
In Application Programming - IAP
32
Data Memory
46
Structure
46
Data Memory Addressing
47
General Purpose Data Memory
47
Special Purpose Data Memory
47
Special Function Register Description
49
Indirect Addressing Registers - IAR0, IAR1, IAR2
49
Memory Pointers - MP0, MP1L, MP1H, MP2L, MP2H
49
Accumulator - ACC
50
Program Counter Low Register - PCL
51
Look-Up Table Registers - TBLP, TBHP, TBLH
51
Status Register - STATUS
51
EEPROM Data Memory
53
EEPROM Data Memory Structure
53
EEPROM Registers
53
Read Operation from the EEPROM
55
Page Erase Operation to the EEPROM
55
Write Operation to the EEPROM
56
Write Protection
57
EEPROM Interrupt
57
Programming Considerations
58
Oscillators
61
Oscillator Overview
61
System Clock Configurations
61
External Crystal/Ceramic Oscillator - HXT
62
Internal High Speed Internal RC Oscillator - HIRC
63
External 32.768Khz Crystal Oscillator - LXT
63
Internal 32Khz Oscillator - LIRC
64
Operating Modes and System Clocks
64
System Clocks
64
System Operation Modes
65
Control Registers
66
Operating Mode Switching
69
Standby Current Considerations
72
Wake-Up
72
Programming Considerations
73
Watchdog Timer
73
Watchdog Timer Clock Source
73
Watchdog Timer Control Register
73
Watchdog Timer Operation
74
Reset and Initialisation
75
Reset Functions
75
Reset Initial Conditions
79
Input/Output Ports
82
Pull-High Resistors
82
Port a Wake-Up
83
I/O Port Control Registers
84
I/O Port Source Current Control
84
Pin-Shared Functions
85
I/O Pin Structures
90
Programming Considerations
90
Timer Modules - TM
91
Introduction
91
TM Operation
91
TM Clock Source
91
TM Interrupts
92
TM External Pins
92
Programming Considerations
93
Compact Type TM - CTM
94
Compact Type TM Operation
94
Compact Type TM Register Description
95
Compact Type TM Operating Modes
98
Standard Type TM - STM
104
Standard Type TM Operation
104
Standard Type TM Register Description
104
Standard Type TM Operation Modes
109
Periodic Type TM - PTM
117
Periodic Type TM Operation
117
Periodic Type TM Register Description
117
Periodic Type TM Operation Modes
121
Analog to Digital Converter
128
A/D Converter Overview
128
A/D Converter Register Description
129
A/D Converter Reference Voltage
132
A/D Converter Input Signals
132
A/D Converter Operation
133
A/D Conversion Rate and Timing Diagram
134
Summary of A/D Conversion Steps
135
Programming Considerations
136
A/D Conversion Function
136
A/D Converter Programming Examples
137
Comparator
138
Comparator Operation
138
Comparator Registers
138
Comparator Interrupt
139
Programming Considerations
139
Serial Interface Module - SIM
140
SPI Interface
140
I 2 C Interface
147
UART Interface
157
UART External Pins
157
UART Data Transfer Scheme
158
UART Status and Control Registers
158
Baud Rate Generator
163
UART Setup and Control
164
UART Transmitter
165
UART Receiver
166
Managing Receiver Errors
167
UART Interrupt Structure
168
UART Power down and Wake-Up
170
Low Voltage Detector - LVD
171
LVD Register
171
LVD Operation
171
Interrupts
172
Interrupt Registers
172
Interrupt Operation
177
External Interrupt
178
Comparator Interrupt
179
Multi-Function Interrupts
179
A/D Converter Interrupt
179
Time Base Interrupts
179
TM Interrupts
181
Serial Interface Module Interrupt
181
UART Transfer Interrupt
182
LVD Interrupt
182
EEPROM Interrupt
182
Interrupt Wake-Up Function
182
Programming Considerations
183
Configuration Options
183
Accumulative Cell Voltage Monitor
184
Accumulative Cell Voltage Monitor Functional Description
184
VIN, VREG, VOUT Capacitors
185
VIN and Vbatn Spike Suppression Resistors
186
Cell Voltage Monitor Scan Frequency
186
Voltage Spike Suppression Method
188
Thermal Consideration
188
Application Circuits
190
3S Battery Monitoring Typical Application Circuit
190
Battery Monitoring Typical Application Circuit
191
8S Battery Monitoring Typical Application Circuit
192
Instruction Set
193
Introduction
193
Instruction Timing
193
Moving and Transferring Data
193
Arithmetic Operations
193
Logical and Rotate Operation
194
Branches and Control Transfer
194
Bit Operations
194
Other Operations
194
Instruction Set Summary
195
Extended Instruction Set
197
Instruction Definition
199
Extended Instruction Definition
209
Package Information
218
28-Pin SSOP (150Mil) Outline Dimensions
219
48-Pin LQFP-EP (7Mm×7Mm) Outline Dimensions
220

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Holtek HT45F8550 Manual (221 pages)

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