NXP Semiconductors LPC2919 user manual UnitDRAFT, DLPC2917/19, Draft Draft, See Table, 56 of

NXP Semiconductors

DRAFT	D	D		AFT
	RAFT	RAFT AFT
			DR	DR

DLPC2917/19

ARM9 microcontrollerRAFT withDRAFTCANDRAFTand LINDRAFT

T

DRAFT

T

DRA

DRA

DR

DD(CORE)

DD(OSC_PLL)

DD(IO)

DD(A3V3)

vj

F

F

V

= V

; V

DRAFT DRAFT

DRAF

= 2.7 V to 3.6 V; V

= 3.0 V to 3.6 V; T = −40

°C; all voltages are measured with

Table 31. Dynamic characteristics …continued

respect to ground; positive currents flow into the IC; unless otherwise specified.

UnitDRAFT

DRAFT

Symbol

Parameter

Conditions

Min

Typ

Max

fclk(sys)

System clock

10

-

80

MHz

DRAFT

D

Internal clock

frequency. See

DRA

Table 23.

Tclk(sys)

System clock period.

12.5

-

100

ns

See Table 23.

Low-Power Ring Oscillator

fref(RO)

RO reference

0.36

0.4

0.42

MHz

frequency.

tstartup

Start-up time.

At maximum frequency

-

6

100

μs

[2].

Oscillator

fi(osc)

Oscillator input

Maximum frequency is

10

-

80

MHz

frequency.

the clock input of an

external clock source

applied to the Xin pin.

tstartup

Start-up time.

At maximum frequency.

-

500

-

μs

[2]

[3]

PLL

fi(PLL)

PLL input frequency.

10

-

25

MHz

fo(PLL)

PLL output frequency.

10

-

160

MHz

CCO; direct mode.

156

-

320

MHz

Analog-to-digital converter

fi(ADC)

ADC input frequency.

[4]

4

-

4.5

MHz

fs(max)

Maximum sampling

fi(ADC) = 4.5 MHz;

rate.

fs = fi(ADC)/(n+1) with

n = resolution

resolution 2 bit

-

-

1500

ksample/s

resolution 10 bit

-

-

400

ksample/s

tconv

Conversion time.

In number of ADC clock

3

-

11

cycles

cycles.

In number of bits.

2

-

10

bits

Flash memory

tinit

Initialization time.

-

-

150

μs

twr(pg)

Page write time.

0.95

1

1.05

ms

ter(sect)

Sector erase time.

95

100

105

ms

tfl(BIST)

Flash word BIST time.

-

38

70

ns

tacc(clk)

clock access time

-

-

63.4

ns

tacc(addr)

address access time

-

-

60.3

ns

external static memory controller

ta(R)int

Internal read-access

-

-

20.5

ns

time.

LPC2917_19_1

© NXP B.V. 2007. All rights reserved.

Preliminary data sheet Rev. 1.01 — 15 November 2007 56 of 68