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849 specification
Socket, pin drivers and DACs
? FPGA based IEEE 1284 slave printer port, up to 1MB/s
transfer rate
? 40-pin DIL ZIF (Zero Insertion Force) socket accepts both
300/600 mil devices up to 40-pin
? two D/A converters for VCCP and VPP, controllable rise and
fall time
? special GND/VCCP/VPP pindriver for MCS51 and AVR
devices
? spare GND, VCCP and VPP driver, which add additional
made-by-wire GND/VCCP/VPP pin capability for future
devices
? FPGA based TTL driver provides H, L, CLK, pull-up, pull-
down on and read for all pindriver pins,
? level H selectable from 1.8 V up to 5V
? in-circuit serial programming (ISP) capability included
Device support
? Microcontrollers 51 series: 87Cxxx, 87LVxx, 89Cxxx, 89Sxxx,
89LVxxx series from Atmel, Atmel W&M, Intel, Philips, ... 8/40
pins
? Microcontrollers Atmel AVR: ATtiny, AT90Sxxx, ATmega
series (parallel and serial mode), 8-40 pins
? serial E(E)PROM: 24Cxxx, 24Fxxx, 25Cxxx, 59Cxxx, 85xxx,
93Cxxx series
Programming speed
Note . These times strongly depend on PC speed, LPT port
type and operating system free resources. Therefore are given
values of two different PC configurations for comparison.
Device
AT89C52
T87C5111
Operation
programming and verify
programming and verify
Time A
17,5 sec
79 sec
Time B
15,5 sec
44 sec
Time A conditions:
Time B conditions:
Pentium MMX, 250 MHz, ECP/EPP,
WIN98.
Athlon, 750 MHz, ECP/EPP on PCI
bus, WIN98.
Device operations
? standard:
? blank check
? read
72
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相关PDF资料
849055-1
CONN CAP PROTECTIVE W/O-RING LGH
849252-1
CONN LGH 1 1L DUST CAP
849253-1
CONN LGH 2 3 DUST CAP
849254-1
CONN LGH 4 DUST CAP
849587-9
CONN RCPT FOR LGH SOLDER
849611-1
CONN RCPT BULKHEAD STR SOLDER
850306-3
CONN RCPT MOLDED LGH-1 TIN-LEAD
850512-1
CONN LG 1/2 1/2L DUST CAP
相关代理商/技术参数
84-8
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848 100 55
制造商:Werma 功能描述:Bulk
848 110 75
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848 120 55
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848 200 55
制造商:Werma 功能描述:Bulk
848 300 55
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848 320 55
制造商:Werma 功能描述:Bulk
848 420 55
制造商:Werma 功能描述:Bulk