WD_EEPROM before issuin" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� ATMEGA48PA-MN
寤犲晢锛� Atmel
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 236/448闋�(y猫)
鏂囦欢澶�?銆�?/td> 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�(bi膩o)婧�(zh菙n)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(c猫)/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(ch菙)鍣ㄥ閲忥細 4KB锛�2K x 16锛�
绋嬪簭瀛樺劜(ch菙)鍣ㄩ鍨嬶細 闁冨瓨
EEPROM 澶у皬锛� 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� 20-WFQFN 瑁搁湶鐒婄洡(p谩n)
鍖呰锛� 鎵樼洡(p谩n)
绗�1闋�(y猫)绗�2闋�(y猫)绗�3闋�(y猫)绗�4闋�(y猫)绗�5闋�(y猫)绗�6闋�(y猫)绗�7闋�(y猫)绗�8闋�(y猫)绗�9闋�(y猫)绗�10闋�(y猫)绗�11闋�(y猫)绗�12闋�(y猫)绗�13闋�(y猫)绗�14闋�(y猫)绗�15闋�(y猫)绗�16闋�(y猫)绗�17闋�(y猫)绗�18闋�(y猫)绗�19闋�(y猫)绗�20闋�(y猫)绗�21闋�(y猫)绗�22闋�(y猫)绗�23闋�(y猫)绗�24闋�(y猫)绗�25闋�(y猫)绗�26闋�(y猫)绗�27闋�(y猫)绗�28闋�(y猫)绗�29闋�(y猫)绗�30闋�(y猫)绗�31闋�(y猫)绗�32闋�(y猫)绗�33闋�(y猫)绗�34闋�(y猫)绗�35闋�(y猫)绗�36闋�(y猫)绗�37闋�(y猫)绗�38闋�(y猫)绗�39闋�(y猫)绗�40闋�(y猫)绗�41闋�(y猫)绗�42闋�(y猫)绗�43闋�(y猫)绗�44闋�(y猫)绗�45闋�(y猫)绗�46闋�(y猫)绗�47闋�(y猫)绗�48闋�(y猫)绗�49闋�(y猫)绗�50闋�(y猫)绗�51闋�(y猫)绗�52闋�(y猫)绗�53闋�(y猫)绗�54闋�(y猫)绗�55闋�(y猫)绗�56闋�(y猫)绗�57闋�(y猫)绗�58闋�(y猫)绗�59闋�(y猫)绗�60闋�(y猫)绗�61闋�(y猫)绗�62闋�(y猫)绗�63闋�(y猫)绗�64闋�(y猫)绗�65闋�(y猫)绗�66闋�(y猫)绗�67闋�(y猫)绗�68闋�(y猫)绗�69闋�(y猫)绗�70闋�(y猫)绗�71闋�(y猫)绗�72闋�(y猫)绗�73闋�(y猫)绗�74闋�(y猫)绗�75闋�(y猫)绗�76闋�(y猫)绗�77闋�(y猫)绗�78闋�(y猫)绗�79闋�(y猫)绗�80闋�(y猫)绗�81闋�(y猫)绗�82闋�(y猫)绗�83闋�(y猫)绗�84闋�(y猫)绗�85闋�(y猫)绗�86闋�(y猫)绗�87闋�(y猫)绗�88闋�(y猫)绗�89闋�(y猫)绗�90闋�(y猫)绗�91闋�(y猫)绗�92闋�(y猫)绗�93闋�(y猫)绗�94闋�(y猫)绗�95闋�(y猫)绗�96闋�(y猫)绗�97闋�(y猫)绗�98闋�(y猫)绗�99闋�(y猫)绗�100闋�(y猫)绗�101闋�(y猫)绗�102闋�(y猫)绗�103闋�(y猫)绗�104闋�(y猫)绗�105闋�(y猫)绗�106闋�(y猫)绗�107闋�(y猫)绗�108闋�(y猫)绗�109闋�(y猫)绗�110闋�(y猫)绗�111闋�(y猫)绗�112闋�(y猫)绗�113闋�(y猫)绗�114闋�(y猫)绗�115闋�(y猫)绗�116闋�(y猫)绗�117闋�(y猫)绗�118闋�(y猫)绗�119闋�(y猫)绗�120闋�(y猫)绗�121闋�(y猫)绗�122闋�(y猫)绗�123闋�(y猫)绗�124闋�(y猫)绗�125闋�(y猫)绗�126闋�(y猫)绗�127闋�(y猫)绗�128闋�(y猫)绗�129闋�(y猫)绗�130闋�(y猫)绗�131闋�(y猫)绗�132闋�(y猫)绗�133闋�(y猫)绗�134闋�(y猫)绗�135闋�(y猫)绗�136闋�(y猫)绗�137闋�(y猫)绗�138闋�(y猫)绗�139闋�(y猫)绗�140闋�(y猫)绗�141闋�(y猫)绗�142闋�(y猫)绗�143闋�(y猫)绗�144闋�(y猫)绗�145闋�(y猫)绗�146闋�(y猫)绗�147闋�(y猫)绗�148闋�(y猫)绗�149闋�(y猫)绗�150闋�(y猫)绗�151闋�(y猫)绗�152闋�(y猫)绗�153闋�(y猫)绗�154闋�(y猫)绗�155闋�(y猫)绗�156闋�(y猫)绗�157闋�(y猫)绗�158闋�(y猫)绗�159闋�(y猫)绗�160闋�(y猫)绗�161闋�(y猫)绗�162闋�(y猫)绗�163闋�(y猫)绗�164闋�(y猫)绗�165闋�(y猫)绗�166闋�(y猫)绗�167闋�(y猫)绗�168闋�(y猫)绗�169闋�(y猫)绗�170闋�(y猫)绗�171闋�(y猫)绗�172闋�(y猫)绗�173闋�(y猫)绗�174闋�(y猫)绗�175闋�(y猫)绗�176闋�(y猫)绗�177闋�(y猫)绗�178闋�(y猫)绗�179闋�(y猫)绗�180闋�(y猫)绗�181闋�(y猫)绗�182闋�(y猫)绗�183闋�(y猫)绗�184闋�(y猫)绗�185闋�(y猫)绗�186闋�(y猫)绗�187闋�(y猫)绗�188闋�(y猫)绗�189闋�(y猫)绗�190闋�(y猫)绗�191闋�(y猫)绗�192闋�(y猫)绗�193闋�(y猫)绗�194闋�(y猫)绗�195闋�(y猫)绗�196闋�(y猫)绗�197闋�(y猫)绗�198闋�(y猫)绗�199闋�(y猫)绗�200闋�(y猫)绗�201闋�(y猫)绗�202闋�(y猫)绗�203闋�(y猫)绗�204闋�(y猫)绗�205闋�(y猫)绗�206闋�(y猫)绗�207闋�(y猫)绗�208闋�(y猫)绗�209闋�(y猫)绗�210闋�(y猫)绗�211闋�(y猫)绗�212闋�(y猫)绗�213闋�(y猫)绗�214闋�(y猫)绗�215闋�(y猫)绗�216闋�(y猫)绗�217闋�(y猫)绗�218闋�(y猫)绗�219闋�(y猫)绗�220闋�(y猫)绗�221闋�(y猫)绗�222闋�(y猫)绗�223闋�(y猫)绗�224闋�(y猫)绗�225闋�(y猫)绗�226闋�(y猫)绗�227闋�(y猫)绗�228闋�(y猫)绗�229闋�(y猫)绗�230闋�(y猫)绗�231闋�(y猫)绗�232闋�(y猫)绗�233闋�(y猫)绗�234闋�(y猫)绗�235闋�(y猫)鐣�(d膩ng)鍓嶇236闋�(y猫)绗�237闋�(y猫)绗�238闋�(y猫)绗�239闋�(y猫)绗�240闋�(y猫)绗�241闋�(y猫)绗�242闋�(y猫)绗�243闋�(y猫)绗�244闋�(y猫)绗�245闋�(y猫)绗�246闋�(y猫)绗�247闋�(y猫)绗�248闋�(y猫)绗�249闋�(y猫)绗�250闋�(y猫)绗�251闋�(y猫)绗�252闋�(y猫)绗�253闋�(y猫)绗�254闋�(y猫)绗�255闋�(y猫)绗�256闋�(y猫)绗�257闋�(y猫)绗�258闋�(y猫)绗�259闋�(y猫)绗�260闋�(y猫)绗�261闋�(y猫)绗�262闋�(y猫)绗�263闋�(y猫)绗�264闋�(y猫)绗�265闋�(y猫)绗�266闋�(y猫)绗�267闋�(y猫)绗�268闋�(y猫)绗�269闋�(y猫)绗�270闋�(y猫)绗�271闋�(y猫)绗�272闋�(y猫)绗�273闋�(y猫)绗�274闋�(y猫)绗�275闋�(y猫)绗�276闋�(y猫)绗�277闋�(y猫)绗�278闋�(y猫)绗�279闋�(y猫)绗�280闋�(y猫)绗�281闋�(y猫)绗�282闋�(y猫)绗�283闋�(y猫)绗�284闋�(y猫)绗�285闋�(y猫)绗�286闋�(y猫)绗�287闋�(y猫)绗�288闋�(y猫)绗�289闋�(y猫)绗�290闋�(y猫)绗�291闋�(y猫)绗�292闋�(y猫)绗�293闋�(y猫)绗�294闋�(y猫)绗�295闋�(y猫)绗�296闋�(y猫)绗�297闋�(y猫)绗�298闋�(y猫)绗�299闋�(y猫)绗�300闋�(y猫)绗�301闋�(y猫)绗�302闋�(y猫)绗�303闋�(y猫)绗�304闋�(y猫)绗�305闋�(y猫)绗�306闋�(y猫)绗�307闋�(y猫)绗�308闋�(y猫)绗�309闋�(y猫)绗�310闋�(y猫)绗�311闋�(y猫)绗�312闋�(y猫)绗�313闋�(y猫)绗�314闋�(y猫)绗�315闋�(y猫)绗�316闋�(y猫)绗�317闋�(y猫)绗�318闋�(y猫)绗�319闋�(y猫)绗�320闋�(y猫)绗�321闋�(y猫)绗�322闋�(y猫)绗�323闋�(y猫)绗�324闋�(y猫)绗�325闋�(y猫)绗�326闋�(y猫)绗�327闋�(y猫)绗�328闋�(y猫)绗�329闋�(y猫)绗�330闋�(y猫)绗�331闋�(y猫)绗�332闋�(y猫)绗�333闋�(y猫)绗�334闋�(y猫)绗�335闋�(y猫)绗�336闋�(y猫)绗�337闋�(y猫)绗�338闋�(y猫)绗�339闋�(y猫)绗�340闋�(y猫)绗�341闋�(y猫)绗�342闋�(y猫)绗�343闋�(y猫)绗�344闋�(y猫)绗�345闋�(y猫)绗�346闋�(y猫)绗�347闋�(y猫)绗�348闋�(y猫)绗�349闋�(y猫)绗�350闋�(y猫)绗�351闋�(y猫)绗�352闋�(y猫)绗�353闋�(y猫)绗�354闋�(y猫)绗�355闋�(y猫)绗�356闋�(y猫)绗�357闋�(y猫)绗�358闋�(y猫)绗�359闋�(y猫)绗�360闋�(y猫)绗�361闋�(y猫)绗�362闋�(y猫)绗�363闋�(y猫)绗�364闋�(y猫)绗�365闋�(y猫)绗�366闋�(y猫)绗�367闋�(y猫)绗�368闋�(y猫)绗�369闋�(y猫)绗�370闋�(y猫)绗�371闋�(y猫)绗�372闋�(y猫)绗�373闋�(y猫)绗�374闋�(y猫)绗�375闋�(y猫)绗�376闋�(y猫)绗�377闋�(y猫)绗�378闋�(y猫)绗�379闋�(y猫)绗�380闋�(y猫)绗�381闋�(y猫)绗�382闋�(y猫)绗�383闋�(y猫)绗�384闋�(y猫)绗�385闋�(y猫)绗�386闋�(y猫)绗�387闋�(y猫)绗�388闋�(y猫)绗�389闋�(y猫)绗�390闋�(y猫)绗�391闋�(y猫)绗�392闋�(y猫)绗�393闋�(y猫)绗�394闋�(y猫)绗�395闋�(y猫)绗�396闋�(y猫)绗�397闋�(y猫)绗�398闋�(y猫)绗�399闋�(y猫)绗�400闋�(y猫)绗�401闋�(y猫)绗�402闋�(y猫)绗�403闋�(y猫)绗�404闋�(y猫)绗�405闋�(y猫)绗�406闋�(y猫)绗�407闋�(y猫)绗�408闋�(y猫)绗�409闋�(y猫)绗�410闋�(y猫)绗�411闋�(y猫)绗�412闋�(y猫)绗�413闋�(y猫)绗�414闋�(y猫)绗�415闋�(y猫)绗�416闋�(y猫)绗�417闋�(y猫)绗�418闋�(y猫)绗�419闋�(y猫)绗�420闋�(y猫)绗�421闋�(y猫)绗�422闋�(y猫)绗�423闋�(y猫)绗�424闋�(y猫)绗�425闋�(y猫)绗�426闋�(y猫)绗�427闋�(y猫)绗�428闋�(y猫)绗�429闋�(y猫)绗�430闋�(y猫)绗�431闋�(y猫)绗�432闋�(y猫)绗�433闋�(y猫)绗�434闋�(y猫)绗�435闋�(y猫)绗�436闋�(y猫)绗�437闋�(y猫)绗�438闋�(y猫)绗�439闋�(y猫)绗�440闋�(y猫)绗�441闋�(y猫)绗�442闋�(y猫)绗�443闋�(y猫)绗�444闋�(y猫)绗�445闋�(y猫)绗�446闋�(y猫)绗�447闋�(y猫)绗�448闋�(y猫)
310
8161D鈥揂VR鈥�10/09
ATmega48PA/88PA/168PA/328P
not used, the used must wait at least t
WD_EEPROM before issuing the next byte (See Table
27-18). In a chip erased device, no 0xFF in the data file(s) need to be programmed.
6.
Any memory location can be verified by using the Read instruction which returns the con-
tent at the selected address at serial output MISO.
7.
At the end of the programming session, RESET can be set high to commence normal
operation.
8.
Power-off sequence (if needed):
Set RESET to 鈥�1鈥�.
Turn V
CC power off.
27.8.3
Serial Programming Instruction set
Table 27-19 on page 310 and Figure 27-8 on page 312 describes the Instruction set.
Table 27-18. Typical Wait Delay Before Writing the Next Flash or EEPROM Location
Symbol
Minimum Wait Delay
tWD_FLASH
4.5 ms
t
WD_EEPROM
3.6 ms
tWD_ERASE
9.0 ms
Table 27-19. Serial Programming Instruction Set (Hexadecimal values)
Instruction/Operation
Instruction Format
Byte 1
Byte 2
Byte 3
Byte4
Programming Enable
$AC
$53
$00
Chip Erase (Program Memory/EEPROM)
$AC
$80
$00
Poll RDY/BSY
$F0
$00
data byte out
Load Instructions
Load Extended Address byte(1)
$4D
$00
Extended adr
$00
Load Program Memory Page, High byte
$48
$00
adr LSB
high data byte in
Load Program Memory Page, Low byte
$40
$00
adr LSB
low data byte in
Load EEPROM Memory Page (page access)
$C1
$00
0000 000aa
data byte in
Read Instructions
Read Program Memory, High byte
$28
adr MSB
adr LSB
high data byte out
Read Program Memory, Low byte
$20
adr MSB
adr LSB
low data byte out
Read EEPROM Memory
$A0
0000 00aa
aaaa aaaa
data byte out
Read Lock bits
$58
$00
data byte out
Read Signature Byte
$30
$00
0000 000aa
data byte out
Read Fuse bits
$50
$00
data byte out
Read Fuse High bits
$58
$08
$00
data byte out
Read Extended Fuse Bits
$50
$08
$00
data byte out
Read Calibration Byte
$38
$00
data byte out
鐩搁棞(gu膩n)PDF璩囨枡
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鐩搁棞(gu膩n)浠g悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉)
鍙冩暩(sh霉)鎻忚堪
ATMEGA48PA-MNR 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(sh铆)閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜(ch菙)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�(f膿ng)鏍�:SMD/SMT
ATMEGA48PA-MU 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 4KB FLASH 20 MHZ,IND TEMP 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(sh铆)閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜(ch菙)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�(f膿ng)鏍�:SMD/SMT
ATMEGA48PA-MU@SL383 鍒堕€犲晢:Atmel 鍔熻兘鎻忚堪:MCU 8-bit ATmega AVR RISC 4KB Flash 2.5V/3.3V/5V 32-Pin QFN EP T/R
ATMEGA48PA-MUR 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU AVR 4KB FLSH 256B EE 512B SRAM-20MHz IND 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(sh铆)閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜(ch菙)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�(f膿ng)鏍�:SMD/SMT
ATMEGA48PA-PN 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(sh铆)閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜(ch菙)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�(f膿ng)鏍�:SMD/SMT