MCU AVR 16K FLASH 16MHZ 40-PDIP

ATMEGA16A-PU

Manufacturer Part NumberATMEGA16A-PU
DescriptionMCU AVR 16K FLASH 16MHZ 40-PDIP
ManufacturerAtmel
SeriesAVR® ATmega
ATMEGA16A-PU datasheets
 


Specifications of ATMEGA16A-PU

Core ProcessorAVRCore Size8-Bit
Speed16MHzConnectivityI²C, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, PWM, WDTNumber Of I /o32
Program Memory Size16KB (8K x 16)Program Memory TypeFLASH
Eeprom Size512 x 8Ram Size1K x 8
Voltage - Supply (vcc/vdd)2.7 V ~ 5.5 VData ConvertersA/D 8x10b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Package / Case40-DIP (0.600", 15.24mm)Processor SeriesATMEGA16x
CoreAVR8Data Bus Width8 bit
Data Ram Size1 KBInterface Type2-Wire/SPI/USART
Maximum Clock Frequency16 MHzNumber Of Programmable I/os32
Number Of Timers3Maximum Operating Temperature+ 85 C
Mounting StyleThrough Hole3rd Party Development ToolsEWAVR, EWAVR-BL
Development Tools By SupplierATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKITMinimum Operating Temperature- 40 C
On-chip Adc8-ch x 10-bitPackage40PDIP
Device CoreAVRFamily NameATmega
Maximum Speed16 MHzOperating Supply Voltage3.3|5 V
Controller Family/seriesAVR MEGANo. Of I/o's32
Eeprom Memory Size512ByteRam Memory Size1KB
Cpu Speed16MHzRohs CompliantYes
For Use WithATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KITLead Free Status / RoHS StatusLead free / RoHS Compliant
1
2
3
4
5
6
7
8
9
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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
Page 341
342
Page 342
343
Page 343
344
Page 344
345
Page 345
346
Page 346
347
Page 347
348
Page 348
349
Page 349
350
Page 350
351
352
Page 348/352

Download datasheet (8Mb)Embed
PrevNext
18.1
Features ........................................................................................................136
18.2
Overview ........................................................................................................136
18.3
SS Pin Functionality ......................................................................................141
18.4
Data Modes ...................................................................................................141
18.5
Register Description ......................................................................................143
19 USART ................................................................................................... 146
19.1
Features ........................................................................................................146
19.2
Overview ........................................................................................................146
19.3
Clock Generation ...........................................................................................148
19.4
Frame Formats ..............................................................................................151
19.5
USART Initialization .......................................................................................152
19.6
Data Transmission – The USART Transmitter ..............................................153
19.7
Data Reception – The USART Receiver .......................................................156
19.8
Asynchronous Data Reception ......................................................................160
19.9
Multi-processor Communication Mode ..........................................................163
19.10
Accessing UBRRH/ UCSRC Registers .........................................................164
19.11
Examples of Baud Rate Setting .....................................................................171
20 Two-wire Serial Interface ..................................................................... 175
20.1
Features ........................................................................................................175
20.2
Two-wire Serial Interface Bus Definition ........................................................175
20.3
Data Transfer and Frame Format ..................................................................176
20.4
Multi-master Bus Systems, Arbitration and Synchronization .........................179
20.5
Overview of the TWI Module .........................................................................181
20.6
Using the TWI ................................................................................................183
20.7
Transmission Modes .....................................................................................186
20.8
Multi-master Systems and Arbitration ............................................................199
20.9
Register Description ......................................................................................200
21 Analog Comparator .............................................................................. 204
21.1
Analog Comparator Multiplexed Input ...........................................................204
21.2
Register Description ......................................................................................205
22 Analog to Digital Converter ................................................................. 207
22.1
Features ........................................................................................................207
22.2
Overview ........................................................................................................207
22.3
Operation .......................................................................................................208
22.4
Starting a Conversion ....................................................................................209
ATmega16A
iv
8154B–AVR–07/09