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0C88832
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Epson 0C88832 manual available for free PDF download: Technical Manual
Epson 0C88832 Technical Manual (159 pages)
CMOS 8-BIT SINGLE CHIP MICROCOMPUTER
Brand:
Epson
| Category:
Computer Hardware
| Size: 1.04 MB
Table of Contents
3
Table of Contents
7
1 Introduction
7
Configuration
8
Features
9
Block Diagram
10
Pin Layout Diagram
14
Mask Option
17
2 Power Supply
17
Operating Voltage
17
Internal Power Supply Circuit
18
Heavy Load Protection Mode
19
3 Cpu and Memory Configuration
19
Cpu
19
Internal Memory
19
Rom
19
Ram
19
I/O Memory
20
CC (Customized Condition Flag)
21
4 Initial Reset
21
Initial Reset Factors
21
RESET Terminal
21
Simultaneous LOW Level Input at Input Port Terminals K00-K03
22
Supply Voltage Detection (SVD) Circuit
22
Initial Reset Sequence
23
Initial Settings After Initial Reset
24
5 Peripheral Circuits and Their Operation
24
I/O Memory Map
33
Watchdog Timer
33
Configuration of Watchdog Timer
33
Interrupt Function
33
Control of Watchdog Timer
33
Programming Notes
34
Oscillation Circuits and Operating Mode
34
Configuration of Oscillation Circuits
34
Mask Option
34
OSC1 Oscillation Circuit
35
OSC3 Oscillation Circuit
35
Operating Mode
36
Switching the CPU Clocks
37
Control of Oscillation Circuit and Operating Mode
38
Programming Notes
39
Input Ports (K Ports)
39
Configuration of Input Ports
39
Mask Option
40
Interrupt Function and Input Comparison Register
42
Control of Input Ports
44
Programming Note
45
Output Ports (R Ports)
45
Configuration of Output Ports
45
Mask Option
45
High Impedance Control
45
DC Output
45
Special Output
48
Control of Output Ports
51
Programming Notes
52
I/O Ports (P Ports)
52
Configuration of I/O Ports
52
Mask Option
52
I/O Control Registers and I/O Mode
53
Control of I/O Ports
53
Programming Note
54
Serial Interface
54
Configuration of Serial Interface
55
Mask Option
55
Transfer Modes
56
Clock Source
57
Transmit-Receive Control
58
Operation of Clock Synchronous Transfer
62
Operation of Asynchronous Transfer
66
Interrupt Function
68
Control of Serial Interface
72
Programming Notes
73
Clock Timer
73
Configuration of Clock Timer
73
Interrupt Function
75
Control of Clock Timer
77
Programming Notes
78
Stopwatch Timer
78
Configuration of Stopwatch Timer
78
Count Up Pattern
79
Interrupt Function
80
Control of Stopwatch Timer
82
Programming Notes
83
Programmable Timer
83
Configuration of Programmable Timer
83
Count Operation and Setting Basic Mode
85
Setting of Input Clock
85
Timer Mode
86
Event Counter Mode
86
Pulse Width Measurement Timer Mode
87
Interrupt Function
87
Setting of TOUT Output
88
Transmission Rate Setting of Serial Interface
89
Control of Programmable Timer
94
Programming Notes
95
LCD Controller
95
Configuration of LCD Controller
95
Mask Option
96
LCD Power Supply
96
LCD Driver
99
Display Memory
106
Display Control
107
Control of LCD Controller
108
Programming Note
109
Sound Generator
109
Configuration of Sound Generator
109
Control of Buzzer Output
110
Setting of Buzzer Frequency and Sound Level
111
Digital Envelope
111
One-Shot Output
112
Control of Sound Generator
114
Programming Notes
115
Supply Voltage Detection (SVD) Circuit
115
Configuration of SVD Circuit
115
Operation of SVD Circuit
117
Control of SVD Circuit
118
Programming Notes
119
Interrupt and Standby Status
120
Interrupt Generation Conditions
120
Interrupt Factor Flag
121
Interrupt Enable Register
121
Interrupt Priority Register and Interrupt Priority Level
122
Exception Processing Vectors
123
Control of Interrupt
124
Programming Notes
125
Notes for Low Current Consumption
126
6 Basic External Wiring Diagram
128
7 Electrical Characteristics
128
Absolute Maximum Rating
128
Recommended Operating Conditions
129
DC Characteristics
130
Analog Circuit Characteristics
133
Power Current Consumption
134
AC Characteristics
137
Input Clock
140
Oscillation Characteristics
141
Characteristics Curves (Reference Value)
148
8 Package
148
Plastic Package
150
Ceramic Package
151
9 Pad Layout
151
Diagram of Pad Layout
153
Pad Coordinates
155
10 Precautions On Mounting
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