PIC16F688

Manufacturer Part NumberPIC16F688
ManufacturerMicrochip Technology Inc.
PIC16F688 datasheet
 


1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
Page 3/202:

High-Performance RISC CPU

Download datasheet (4Mb)Embed
PrevNext
14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
High-Performance RISC CPU:
• Only 35 instructions to learn:
- All single-cycle instructions except branches
• Operating speed:
- DC – 20 MHz oscillator/clock input
- DC – 200 ns instruction cycle
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative Addressing modes
Special Microcontroller Features:
• Precision Internal Oscillator:
- Factory calibrated to ±1%
- Software selectable frequency range of
8 MHz to 125 kHz
- Software tunable
- Two-Speed Start-Up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for
power savings
• Power-Saving Sleep mode
• Wide operating voltage range (2.0V-5.5V)
• Industrial and Extended temperature range
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up
Timer (OST)
• Brown-out Reset (BOR) with software control
option
• Enhanced Low-Current Watchdog Timer (WDT)
with on-chip oscillator (software selectable nomi-
nal 268 seconds with full prescaler) with software
enable
• Multiplexed Master Clear with weak pull-up or
input only pin
• Programmable code protection
• High-Endurance Flash/EEPROM cell:
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM retention: > 40 years
Program
Memory
Device
Flash
(words)
PIC16F688
4096
© 2007 Microchip Technology Inc.
PIC16F688
Low-Power Features:
• Standby Current:
- 50 nA @ 2.0V, typical
• Operating Current:
- 11 μA @ 32 kHz, 2.0V, typical
- 220 μA @ 4 MHz, 2.0V, typical
• Watchdog Timer Current:
- 1 μA @ 2.0V, typical
Peripheral Features:
• 12 I/O pins with individual direction control:
- High-current source/sink for direct LED drive
- Interrupt-on-change pin
- Individually programmable weak pull-ups
- Ultra Low-Power Wake-up
• Analog Comparator module with:
- Two analog comparators
- Programmable On-chip Voltage Reference
(CV
) module (% of V
REF
- Comparator inputs and outputs externally
accessible
• A/D Converter:
- 10-bit resolution and 8 channels
• Timer0: 8-bit timer/counter with 8-bit
programmable prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Timer1 Gate (count enable)
- Option to use OSC1 and OSC2 in LP mode as
Timer1 oscillator if INTOSC mode selected
• Enhanced USART Module:
- Supports RS-485, RS-232, and LIN 1.2
- Auto-Baud Detect
- Auto-wake-up on Start bit
• In-Circuit Serial Programming™ (ICSP™) via two
pins
Data Memory
10-bit A/D
I/O
SRAM
EEPROM
(bytes)
(bytes)
256
256
12
)
DD
Timers
Comparators
(ch)
8/16-bit
8
2
1/1
DS41203D-page 1