WGM
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� ATMEGA48PA-MMN
寤犲晢锛� Atmel
鏂囦欢闋佹暩(sh霉)锛� 42/448闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� MCU AVR 4KB FLASH 20MHZ 28QFN
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� megaAVR Introduction
妯欐簴鍖呰锛� 490
绯诲垪锛� AVR® ATmega
鏍稿績铏曠悊鍣細 AVR
鑺珨灏哄锛� 8-浣�
閫熷害锛� 20MHz
閫i€氭€э細 I²C锛孲PI锛孶ART/USART
澶栧湇瑷�(sh猫)鍌欙細 娆犲妾㈡脯/寰�(f霉)浣�锛孭OR锛孭WM锛學DT
杓稿叆/杓稿嚭鏁�(sh霉)锛� 23
绋嬪簭瀛樺劜鍣ㄥ閲忥細 4KB锛�2K x 16锛�
绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 闁冨瓨
EEPROM 澶�?銆�?/td> 256 x 8
RAM 瀹归噺锛� 512 x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 1.8 V ~ 5.5 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 8x10b
鎸暕鍣ㄥ瀷锛� 鍏�(n猫i)閮�
宸ヤ綔婧害锛� -40°C ~ 85°C
灏佽/澶栨锛� 28-VFQFN 瑁搁湶鐒婄洡
鍖呰锛� 鎵樼洡
绗�1闋�绗�2闋�绗�3闋�绗�4闋�绗�5闋�绗�6闋�绗�7闋�绗�8闋�绗�9闋�绗�10闋�绗�11闋�绗�12闋�绗�13闋�绗�14闋�绗�15闋�绗�16闋�绗�17闋�绗�18闋�绗�19闋�绗�20闋�绗�21闋�绗�22闋�绗�23闋�绗�24闋�绗�25闋�绗�26闋�绗�27闋�绗�28闋�绗�29闋�绗�30闋�绗�31闋�绗�32闋�绗�33闋�绗�34闋�绗�35闋�绗�36闋�绗�37闋�绗�38闋�绗�39闋�绗�40闋�绗�41闋�鐣跺墠绗�42闋�绗�43闋�绗�44闋�绗�45闋�绗�46闋�绗�47闋�绗�48闋�绗�49闋�绗�50闋�绗�51闋�绗�52闋�绗�53闋�绗�54闋�绗�55闋�绗�56闋�绗�57闋�绗�58闋�绗�59闋�绗�60闋�绗�61闋�绗�62闋�绗�63闋�绗�64闋�绗�65闋�绗�66闋�绗�67闋�绗�68闋�绗�69闋�绗�70闋�绗�71闋�绗�72闋�绗�73闋�绗�74闋�绗�75闋�绗�76闋�绗�77闋�绗�78闋�绗�79闋�绗�80闋�绗�81闋�绗�82闋�绗�83闋�绗�84闋�绗�85闋�绗�86闋�绗�87闋�绗�88闋�绗�89闋�绗�90闋�绗�91闋�绗�92闋�绗�93闋�绗�94闋�绗�95闋�绗�96闋�绗�97闋�绗�98闋�绗�99闋�绗�100闋�绗�101闋�绗�102闋�绗�103闋�绗�104闋�绗�105闋�绗�106闋�绗�107闋�绗�108闋�绗�109闋�绗�110闋�绗�111闋�绗�112闋�绗�113闋�绗�114闋�绗�115闋�绗�116闋�绗�117闋�绗�118闋�绗�119闋�绗�120闋�绗�121闋�绗�122闋�绗�123闋�绗�124闋�绗�125闋�绗�126闋�绗�127闋�绗�128闋�绗�129闋�绗�130闋�绗�131闋�绗�132闋�绗�133闋�绗�134闋�绗�135闋�绗�136闋�绗�137闋�绗�138闋�绗�139闋�绗�140闋�绗�141闋�绗�142闋�绗�143闋�绗�144闋�绗�145闋�绗�146闋�绗�147闋�绗�148闋�绗�149闋�绗�150闋�绗�151闋�绗�152闋�绗�153闋�绗�154闋�绗�155闋�绗�156闋�绗�157闋�绗�158闋�绗�159闋�绗�160闋�绗�161闋�绗�162闋�绗�163闋�绗�164闋�绗�165闋�绗�166闋�绗�167闋�绗�168闋�绗�169闋�绗�170闋�绗�171闋�绗�172闋�绗�173闋�绗�174闋�绗�175闋�绗�176闋�绗�177闋�绗�178闋�绗�179闋�绗�180闋�绗�181闋�绗�182闋�绗�183闋�绗�184闋�绗�185闋�绗�186闋�绗�187闋�绗�188闋�绗�189闋�绗�190闋�绗�191闋�绗�192闋�绗�193闋�绗�194闋�绗�195闋�绗�196闋�绗�197闋�绗�198闋�绗�199闋�绗�200闋�绗�201闋�绗�202闋�绗�203闋�绗�204闋�绗�205闋�绗�206闋�绗�207闋�绗�208闋�绗�209闋�绗�210闋�绗�211闋�绗�212闋�绗�213闋�绗�214闋�绗�215闋�绗�216闋�绗�217闋�绗�218闋�绗�219闋�绗�220闋�绗�221闋�绗�222闋�绗�223闋�绗�224闋�绗�225闋�绗�226闋�绗�227闋�绗�228闋�绗�229闋�绗�230闋�绗�231闋�绗�232闋�绗�233闋�绗�234闋�绗�235闋�绗�236闋�绗�237闋�绗�238闋�绗�239闋�绗�240闋�绗�241闋�绗�242闋�绗�243闋�绗�244闋�绗�245闋�绗�246闋�绗�247闋�绗�248闋�绗�249闋�绗�250闋�绗�251闋�绗�252闋�绗�253闋�绗�254闋�绗�255闋�绗�256闋�绗�257闋�绗�258闋�绗�259闋�绗�260闋�绗�261闋�绗�262闋�绗�263闋�绗�264闋�绗�265闋�绗�266闋�绗�267闋�绗�268闋�绗�269闋�绗�270闋�绗�271闋�绗�272闋�绗�273闋�绗�274闋�绗�275闋�绗�276闋�绗�277闋�绗�278闋�绗�279闋�绗�280闋�绗�281闋�绗�282闋�绗�283闋�绗�284闋�绗�285闋�绗�286闋�绗�287闋�绗�288闋�绗�289闋�绗�290闋�绗�291闋�绗�292闋�绗�293闋�绗�294闋�绗�295闋�绗�296闋�绗�297闋�绗�298闋�绗�299闋�绗�300闋�绗�301闋�绗�302闋�绗�303闋�绗�304闋�绗�305闋�绗�306闋�绗�307闋�绗�308闋�绗�309闋�绗�310闋�绗�311闋�绗�312闋�绗�313闋�绗�314闋�绗�315闋�绗�316闋�绗�317闋�绗�318闋�绗�319闋�绗�320闋�绗�321闋�绗�322闋�绗�323闋�绗�324闋�绗�325闋�绗�326闋�绗�327闋�绗�328闋�绗�329闋�绗�330闋�绗�331闋�绗�332闋�绗�333闋�绗�334闋�绗�335闋�绗�336闋�绗�337闋�绗�338闋�绗�339闋�绗�340闋�绗�341闋�绗�342闋�绗�343闋�绗�344闋�绗�345闋�绗�346闋�绗�347闋�绗�348闋�绗�349闋�绗�350闋�绗�351闋�绗�352闋�绗�353闋�绗�354闋�绗�355闋�绗�356闋�绗�357闋�绗�358闋�绗�359闋�绗�360闋�绗�361闋�绗�362闋�绗�363闋�绗�364闋�绗�365闋�绗�366闋�绗�367闋�绗�368闋�绗�369闋�绗�370闋�绗�371闋�绗�372闋�绗�373闋�绗�374闋�绗�375闋�绗�376闋�绗�377闋�绗�378闋�绗�379闋�绗�380闋�绗�381闋�绗�382闋�绗�383闋�绗�384闋�绗�385闋�绗�386闋�绗�387闋�绗�388闋�绗�389闋�绗�390闋�绗�391闋�绗�392闋�绗�393闋�绗�394闋�绗�395闋�绗�396闋�绗�397闋�绗�398闋�绗�399闋�绗�400闋�绗�401闋�绗�402闋�绗�403闋�绗�404闋�绗�405闋�绗�406闋�绗�407闋�绗�408闋�绗�409闋�绗�410闋�绗�411闋�绗�412闋�绗�413闋�绗�414闋�绗�415闋�绗�416闋�绗�417闋�绗�418闋�绗�419闋�绗�420闋�绗�421闋�绗�422闋�绗�423闋�绗�424闋�绗�425闋�绗�426闋�绗�427闋�绗�428闋�绗�429闋�绗�430闋�绗�431闋�绗�432闋�绗�433闋�绗�434闋�绗�435闋�绗�436闋�绗�437闋�绗�438闋�绗�439闋�绗�440闋�绗�441闋�绗�442闋�绗�443闋�绗�444闋�绗�445闋�绗�446闋�绗�447闋�绗�448闋�
136
8161D鈥揂VR鈥�10/09
ATmega48PA/88PA/168PA/328P
Note:
1. The CTC1 and PWM11:0 bit definition names are obsolete. Use the
WGM12:0 definitions. However, the functionality and
location of these bits are compatible with previous versions of the timer.
15.11.2
TCCR1B 鈥� Timer/Counter1 Control Register B
Bit 7 鈥� ICNC1: Input Capture Noise Canceler
Setting this bit (to one) activates the Input Capture Noise Canceler. When the noise canceler is
activated, the input from the Input Capture pin (ICP1) is filtered. The filter function requires four
successive equal valued samples of the ICP1 pin for changing its output. The Input Capture is
therefore delayed by four Oscillator cycles when the noise canceler is enabled.
Bit 6 鈥� ICES1: Input Capture Edge Select
This bit selects which edge on the Input Capture pin (ICP1) that is used to trigger a capture
event. When the ICES1 bit is written to zero, a falling (negative) edge is used as trigger, and
when the ICES1 bit is written to one, a rising (positive) edge will trigger the capture.
When a capture is triggered according to the ICES1 setting, the counter value is copied into the
Input Capture Register (ICR1). The event will also set the Input Capture Flag (ICF1), and this
can be used to cause an Input Capture Interrupt, if this interrupt is enabled.
Table 15-4.
Waveform Generation Mode Bit Description(1)
Mode
WGM13
WGM12
(CTC1)
WGM11
(PWM11)
WGM10
(PWM10)
Timer/Counter Mode of
Operation
TOP
Update of
OCR1
x at
TOV1 Flag
Set on
0
Normal
0xFFFF
Immediate
MAX
1
0
1
PWM, Phase Correct, 8-bit
0x00FF
TOP
BOTTOM
2
0
1
0
PWM, Phase Correct, 9-bit
0x01FF
TOP
BOTTOM
3
0
1
PWM, Phase Correct, 10-bit
0x03FF
TOP
BOTTOM
4
0
1
0
CTC
OCR1A
Immediate
MAX
5
0
1
0
1
Fast PWM, 8-bit
0x00FF
BOTTOM
TOP
6
0
1
0
Fast PWM, 9-bit
0x01FF
BOTTOM
TOP
7
0
1
Fast PWM, 10-bit
0x03FF
BOTTOM
TOP
8
100
0
PWM, Phase and Frequency
Correct
ICR1
BOTTOM
9
100
1
PWM, Phase and Frequency
Correct
OCR1A
BOTTOM
10
1
0
1
0
PWM, Phase Correct
ICR1
TOP
BOTTOM
11
1
0
1
PWM, Phase Correct
OCR1A
TOP
BOTTOM
12
1
0
CTC
ICR1
Immediate
MAX
13
1
0
1
(Reserved)
鈥�
14
1
0
Fast PWM
ICR1
BOTTOM
TOP
15
1
Fast PWM
OCR1A
BOTTOM
TOP
Bit
7
6
5
4
3
2
1
0
ICNC1
ICES1
鈥�
WGM13
WGM12
CS12
CS11
CS10
TCCR1B
Read/Write
R/W
R
R/W
Initial Value
0
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
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鍙冩暩(sh霉)鎻忚堪
ATMEGA48PA-MMNR 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰ㄦ牸:SMD/SMT
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