參數(shù)資料
型號： 7643
英文描述： IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-SOIC 300mil, TUBE
中文描述： 7643Group數(shù)據(jù)表數(shù)據(jù)表1369K/JUL.30.03
文件頁數(shù)： 12/120頁
文件大小： 1369K
代理商： 7643
Rev.1.00 Jul 30, 2003 page 12 of 119
7643 Group
MEMORY
Special Function Register (SFR) Area
The Special Function Register area in the zero page contains control
registers such as I/O ports and timers.
RAM
RAM is used for data storage and for stack area of subroutine calls
and interrupts.
ROM
The first 128 bytes and the last 4 bytes of ROM are reserved for
device testing and the rest is user area for storing programs. In the
flash memory version, program and erase can be performed in the
reserved area.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
Zero Page
Access to this area with only 2 bytes is possible in the zero page
addressing mode.
Special Page
Access to this area with only 2 bytes is possible in the special page
addressing mode.
Refer to page 74 for the memory map of memory expansion and
microprocessor modes.
Fig. 9 Memory map diagram
1024
2560
046F
16
0A6F
16
RAM area
RAM size
(bytes)
Address
XXXX
16
0000
16
0070
16
FF00
16
FFCA
16
FFFC
16
FFFF
16
XXXX
16
8000
16
8080
16
RAM
ROM
SIZE: 32768 bytes
SFR area
Not used
Interrupt vector area
Reserved ROM area
(128 bytes)
Zero page
Special page
Reserved ROM area
0100
16
1000
16
Reserved area (
Note 1
)
SFR area
(
Note 2
)
FFC9
16
M37643M8
M37643F8
Notes 1
: Reserved area in M37643F8.
2
: SFR area in M37643F8.
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765-11E 8 BIT INPUT/OUTPUT EXPANDER, I2C INTERFACE, -40C to +125C, 20-QFN, TUBE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
764-3"x36yd-Red 功能描述:膠帶 764 RED 3X36 YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds
764-3"x36yd-White 功能描述:膠帶 WHITE 3X36YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds
764-3"x36yd-Yellow 功能描述:膠帶 764 YELLOW 3X36 YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds
7643_06 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
76430 制造商:Brady Corporation 功能描述:TAPE, BARRICADE, BLACK/PHOSPHORESCENT, 2INX5YD; Tape Type:Safety, Hazard Warning; Tape Backing Material:Polyester Film; Tape Width - Metric:50.8mm; Tape Width - Imperial:2"; Tape Length - Metric:4.572m; Tape Length - Imperial:5yard ;RoHS Compliant: NA
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