R/W-1
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� PIC18F4455-I/P
寤犲晢锛� Microchip Technology
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 382/438闋�(y猫)
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC PIC MCU FLASH 12KX16 40DIP
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 10
绯诲垪锛� PIC® 18F
鏍稿績铏曠悊鍣細 PIC
鑺珨灏哄锛� 8-浣�
閫熷害锛� 48MHz
閫i€氭€э細 I²C锛孲PI锛孶ART/USART锛孶SB
澶栧湇瑷�(sh猫)鍌欙細 娆犲妾㈡脯(c猫)/寰�(f霉)浣�锛孒LVD锛孭OR锛孭WM锛學DT
杓稿叆/杓稿嚭鏁�(sh霉)锛� 35
绋嬪簭瀛樺劜(ch菙)鍣ㄥ閲忥細 24KB锛�12K x 16锛�
绋嬪簭瀛樺劜(ch菙)鍣ㄩ鍨嬶細 闁冨瓨
EEPROM 澶�?銆�?/td> 256 x 8
RAM 瀹归噺锛� 2K x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 4.2 V ~ 5.5 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 13x10b
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� 40-DIP锛�0.600"锛�15.24mm锛�
鍖呰锛� 绠′欢
鐢�(ch菐n)鍝佺洰閷勯爜(y猫)闈細 646 (CN2011-ZH PDF)
閰嶇敤锛� I3-DB18F4550-ND - BOARD DAUGHTER ICEPIC3
DM163025-ND - PIC DEM FULL SPEED USB DEMO BRD
DVA18XP400-ND - DEVICE ADAPTER 18F4220 PDIP 40LD
444-1001-ND - DEMO BOARD FOR PICMICRO MCU
ACICE0206-ND - ADAPTER MPLABICE 40P 600 MIL
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PIC18F2455/2550/4455/4550
DS39632E-page 46
2009 Microchip Technology Inc.
REGISTER 4-1:
RCON: RESET CONTROL REGISTER
R/W-0
R/W-1(1)
U-0
R/W-1
R-1
R/W-0(2)
R/W-0
IPEN
SBOREN
鈥擱I
TO
PD
POR
BOR
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as 鈥�0鈥�
-n = Value at POR
鈥�1鈥� = Bit is set
鈥�0鈥� = Bit is cleared
x = Bit is unknown
bit 7
IPEN: Interrupt Priority Enable bit
1 = Enable priority levels on interrupts
0 = Disable priority levels on interrupts (PIC16CXXX Compatibility mode)
bit 6
SBOREN: BOR Software Enable bit(1)
If BOREN1:BOREN0 = 01:
1 = BOR is enabled
0 = BOR is disabled
If BOREN1:BOREN0 = 00, 10 or 11:
Bit is disabled and read as 鈥�0鈥�.
bit 5
Unimplemented: Read as 鈥�0鈥�
bit 4
RI: RESET Instruction Flag bit
1 = The RESET instruction was not executed (set by firmware only)
0 = The RESET instruction was executed causing a device Reset (must be set in software after a
Brown-out Reset occurs)
bit 3
TO: Watchdog Time-out Flag bit
1 = Set by power-up, CLRWDT instruction or SLEEP instruction
0 = A WDT time-out occurred
bit 2
PD: Power-Down Detection Flag bit
1 = Set by power-up or by the CLRWDT instruction
0 = Set by execution of the SLEEP instruction
bit 1
POR: Power-on Reset Status bit(2)
1 = A Power-on Reset has not occurred (set by firmware only)
0 = A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)
bit 0
BOR: Brown-out Reset Status bit
1 = A Brown-out Reset has not occurred (set by firmware only)
0 = A Brown-out Reset occurred (must be set in software after a Brown-out Reset occurs)
Note 1:
If SBOREN is enabled, its Reset state is 鈥�1鈥�; otherwise, it is 鈥�0鈥�.
2:
The actual Reset value of POR is determined by the type of device Reset. See the notes following this
register and Section 4.6 鈥淩eset State of Registers鈥� for additional information.
Note 1: It is recommended that the POR bit be set after a Power-on Reset has been detected so that subsequent
Power-on Resets may be detected.
2: Brown-out Reset is said to have occurred when BOR is 鈥�0鈥� and POR is 鈥�1鈥� (assuming that POR was set to
鈥�1鈥� by software immediately after POR).
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
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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
PIC18F4455T-I/ML 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 24kBF 2048RM FSUSB2 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
PIC18F4455T-I/PT 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 24kBF 2048RM FSUSB2 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
PIC18F4458-I/ML 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 24KB Flash 2KB RAM 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
PIC18F4458-I/P 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 24KB Flash 2KB RAM 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
PIC18F4458-I/PT 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 24KB Flash 2KB RAM 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