P89LPC915FDH datasheet(66/75 Pages) NXP

Part #	P89LPC915FDH

Description	8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V flash with 8-bit A/D converter

PDF	75 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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66 / 75 page

P89LPC915_916_917_5

Product data sheet

Rev. 05 — 15 December 2009

66 of 75

NXP Semiconductors

P89LPC915/916/917

8-bit microcontrollers with accelerated two-clock 80C51 core

12.2 ISP entry mode

Fig 27. Shift register mode timing

valid

TXLXL

002aaa906

set TI

set RI

tXHQX

tQVXH

tXHDV

tXHDX

clock

output data

write to SBUF

input data

clear RI

Fig 28. External clock timing

tCHCL

tCLCX

tCHCX

Tcy(clk)

tCLCH

002aaa907

Table 18.

Dynamic characteristics, ISP entry mode

VDD = 2.4 V to 3.6 V, unless otherwise speciﬁed.

Tamb = −40 °C to +85 °C, or −40 °C to +125 °C (see Table 3 on page 3), unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tVR

VDD active to RST active delay time

µs

tRH

RST HIGH time

µs

tRL

RST LOW time

µs

Fig 29. ISP entry timing

002aaa912

VDD

RST

tRL

tVR

tRH

P89LPC915FDH Datasheet(PDF) 66 Page - NXP Semiconductors

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