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參數(shù)資料
| 型號： | ENC424J600-I/PT |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 83/168頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ETHERNET CTRLR W/SPI 44-TQFP |
| 視頻文件： | Fast 100 Mbps Ethernet PICtail Plus Overview |
| 標準包裝： | 160 |
| 控制器類型： | 以太網(wǎng)控制器（IEEE 802.3） |
| 接口： | SPI |
| 電源電壓： | 3 V ~ 3.6 V |
| 電流 - 電源： | 96mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-TQFP |
| 供應商設(shè)備封裝： | 44-TQFP（10x10） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 684 (CN2011-ZH PDF) |
| 配用： | AC164132-ND - BOARD DAUGHTER PICTAIL ETHERNET |
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2007 Microchip Technology Inc.
DS21993C-page 19
PIC16CR7X
2.2.2.1
STATUS Register
The STATUS register contains the arithmetic status of
the ALU, the Reset status and the bank select bits for
data memory.
The STATUS register can be the destination for any
instruction, as with any other register. If the STATUS
register is the destination for an instruction that affects
the Z, DC or C bits, then the write to these three bits is
disabled. These bits are set or cleared according to the
device logic. Furthermore, the TO and PD bits are not
writable, therefore, the result of an instruction with the
STATUS register as destination may be different than
intended.
For example, CLRF STATUS will clear the upper three
bits and set the Z bit. This leaves the STATUS register
as ‘000u u1uu’ (where u = unchanged).
It is recommended, therefore, that only BCF, BSF,
SWAPF
and MOVWF instructions are used to alter the
STATUS register, because these instructions do not
affect the Z, C or DC bits from the STATUS register. For
other instructions not affecting any Status bits, see the
“Instruction Set Summary.”
Note 1: The C and DC bits operate as a borrow
and digit borrow bit, respectively, in sub-
traction. See the SUBLW and SUBWF
instructions for examples.
REGISTER 2-1:
STATUS: (ADDRESS 03h, 83h, 103h, 183h)
R/W-0
R-1
R/W-x
IRP
RP1
RP0
TO
PD
ZDC
C
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
IRP: Register Bank Select bit (used for indirect addressing)
1
= Bank 2, 3 (100h-1FFh)
0
= Bank 0, 1 (00h-FFh)
bit 6-5
RP1:RP0: Register Bank Select bits (used for direct addressing)
11
= Bank 3 (180h-1FFh)
10
= Bank 2 (100h-17Fh)
01
= Bank 1 (80h-FFh)
00
= Bank 0 (00h-7Fh)
Each bank is 128 bytes
bit 4
TO: Time-out bit
1
= After power-up, CLRWDT instruction or SLEEP instruction
0
= A WDT time-out occurred
bit 3
PD: Power-down bit
1
= After power-up or by the CLRWDT instruction
0
= By execution of the SLEEP instruction
bit 2
Z
: Zero bit
1
= The result of an arithmetic or logic operation is zero
0
= The result of an arithmetic or logic operation is not zero
bit 1
DC: Digit carry/borrow bit (ADDWF, ADDLW, SUBLW, SUBWF instructions)
1
= A carry-out from the 4th low order bit of the result occurred
0
= No carry-out from the 4th low order bit of the result
bit 0
C: Carry/borrow bit (ADDWF, ADDLW, SUBLW, SUBWF instructions)
1
= A carry-out from the Most Significant bit of the result occurred
0
= No carry-out from the Most Significant bit of the result occurred
Note:
For borrow, the polarity is reversed. A subtraction is executed by adding the two’s complement of the
second operand. For rotate (RRF, RLF) instructions, this bit is loaded with either the high or low order bit
of the source register.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ENC424J600T-I/ML | 功能描述:以太網(wǎng) IC 10/100 Base-T Stand alone Ethernet Ctrlr RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| ENC424J600T-I/PT | 功能描述:外圍驅(qū)動器與原件 - PCI 10/100 Base-T Stand alone Ethernet Ctrlr RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| ENC424J600T-IML | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Stand-Alone 10/100 Ethernet Controller with SPI or Parallel Interface |
| ENC424J600T-IPT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Stand-Alone 10/100 Ethernet Controller with SPI or Parallel Interface |
| ENC431D05A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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