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Renesas R8C/19 Series Manuals
Manuals and User Guides for Renesas R8C/19 Series. We have
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Renesas R8C/19 Series manual available for free PDF download: Hardware Manual
Renesas R8C/19 Series Hardware Manual (257 pages)
16-BIT SINGLE-CHIP MCU
Brand:
Renesas
| Category:
Microcontrollers
| Size: 2.38 MB
Table of Contents
Table of Contents
8
Overview
16
Applications
16
Performance Overview
17
Block Diagram
19
Product Information
20
Pin Assignments
22
Pin Functions
25
Central Processing Unit (CPU)
28
Data Registers (R0, R1, R2, and R3)
29
Address Registers (A0 and A1)
29
Frame Base Register (FB)
29
Interrupt Table Register (INTB)
29
Program Counter (PC)
29
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP)
29
Static Base Register (SB)
29
Flag Register (FLG)
29
Carry Flag (C)
29
Debug Flag (D)
29
Interrupt Enable Flag (I)
30
Stack Pointer Select Flag (U)
30
Processor Interrupt Priority Level (IPL)
30
Reserved Bit
30
Memory
31
R8C/18 Group
31
R8C/19 Group
32
Special Function Registers (Sfrs)
33
Resets
37
Hardware Reset
39
When Power Supply Is Stable
39
Power on
39
Power-On Reset Function
41
Voltage Monitor 1 Reset
42
Voltage Monitor 2 Reset
42
Watchdog Timer Reset
42
Software Reset
42
Programmable I/O Ports
43
Functions of Programmable I/O Ports
43
Effect on Peripheral Functions
43
Pins Other than Programmable I/O Ports
43
Port Settings
50
Unassigned Pin Handling
54
Voltage Detection Circuit
55
VCC Input Voltage
61
Monitoring Vdet1
61
Monitoring Vdet2
61
Digital Filter
61
Voltage Monitor 1 Reset
63
Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset
64
Processor Mode
66
Processor Modes
66
Bus
67
10. Clock Generation Circuit
68
Main Clock
75
On-Chip Oscillator Clocks
76
Low-Speed On-Chip Oscillator Clock
76
High-Speed On-Chip Oscillator Clock
76
CPU Clock and Peripheral Function Clock
77
System Clock
77
CPU Clock
77
Peripheral Function Clock (F1, F2, F4, F8, and F32)
77
Fring and Fring128
77
Fring-Fast
77
Fring-S
77
Power Control
78
Standard Operating Mode
78
Wait Mode
79
Stop Mode
81
Oscillation Stop Detection Function
83
How to Use Oscillation Stop Detection Function
83
Notes on Clock Generation Circuit
85
Stop Mode and Wait Mode
85
Oscillation Stop Detection Function
85
Oscillation Circuit Constants
85
High-Speed On-Chip Oscillator Clock
85
11. Protection
86
12. Interrupts
87
Interrupt Overview
87
Types of Interrupts
87
Software Interrupts
88
Special Interrupts
89
Peripheral Function Interrupt
89
Interrupts and Interrupt Vectors
90
Interrupt Control
92
INT Interrupt
100
INT0 Interrupt
100
INT0 Input Filter
101
INT1 Interrupt
102
INT3 Interrupt
103
Key Input Interrupt
105
Address Match Interrupt
107
Notes on Interrupts
109
Reading Address 00000H
109
SP Setting
109
External Interrupt and Key Input Interrupt
109
Watchdog Timer Interrupt
109
Changing Interrupt Sources
110
Changing Interrupt Control Register Contents
111
13. Watchdog Timer
112
Count Source Protection Mode Disabled
115
Count Source Protection Mode Enabled
116
14. Timers
117
Timer X
118
Timer Mode
121
Pulse Output Mode
122
Event Counter Mode
124
Pulse Width Measurement Mode
125
Pulse Period Measurement Mode
128
Notes on Timer X
131
Timer Z
132
Timer Mode
137
Programmable Waveform Generation Mode
139
Programmable One-Shot Generation Mode
142
Programmable Wait One-Shot Generation Mode
145
Notes on Timer Z
149
Timer C
150
Input Capture Mode
156
Output Compare Mode
158
Notes on Timer C
160
15. Serial Interface
161
Clock Synchronous Serial I/O Mode
167
Polarity Select Function
170
LSB First/Msb First Select Function
170
Continuous Receive Mode
171
Clock Asynchronous Serial I/O (UART) Mode
172
CNTR0 Pin Select Function
175
Bit Rate
176
Notes on Serial Interface
177
16. Comparator
178
One-Shot Mode
182
Repeat Mode
184
Notes on Comparator
186
17. Flash Memory Version
187
Overview
187
Memory Map
189
Functions to Prevent Rewriting of Flash Memory
191
ID Code Check Function
191
ROM Code Protect Function
192
CPU Rewrite Mode
193
EW0 Mode
194
EW1 Mode
194
Software Commands
203
Status Register
207
Full Status Check
208
Standard Serial I/O Mode
210
ID Code Check Function
210
Parallel I/O Mode
214
ROM Code Protect Function
214
Notes on Flash Memory Version
215
CPU Rewrite Mode
215
18. Electrical Characteristics
217
19. Usage Notes
232
Notes on Clock Generation Circuit
232
Stop Mode and Wait Mode
232
Oscillation Stop Detection Function
232
Oscillation Circuit Constants
232
High-Speed On-Chip Oscillator Clock
232
Notes on Interrupts
233
Reading Address 00000H
233
SP Setting
233
External Interrupt and Key Input Interrupt
233
Watchdog Timer Interrupt
233
Changing Interrupt Sources
234
Changing Interrupt Control Register Contents
235
Notes on Timers
236
Notes on Timer X
236
Notes on Timer Z
237
Notes on Timer C
237
Notes on Serial Interface
238
Notes on Comparator
239
Notes on Flash Memory Version
240
CPU Rewrite Mode
240
Notes on Noise
242
Inserting a Bypass Capacitor between VCC and VSS Pins as a Countermeasure against Noise and Latch-Up
242
Countermeasures against Noise Error of Port Control Registers
242
20. Notes on On-Chip Debugger
243
Appendix 1. Package Dimensions
244
Appendix 2. Connection Examples between Serial Writer and On-Chip Debugging Emulator
246
Appendix 3. Example of Oscillation Evaluation Circuit
247
Register Index
248
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