P89LPC9321 datasheet(52/70 Pages) NXP

52 / 70 page

P89LPC9321_1

Product data sheet

Rev. 01 — 9 December 2008

52 of 70

NXP Semiconductors

P89LPC9321

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

[1]

Typical ratings are not guaranteed. The values listed are at room temperature, 3 V.

[2]

The IDD(oper),IDD(idle), and IDD(pd) speciﬁcations are measured using an external clock with the following functions disabled: comparators,

real-time clock, and watchdog timer.

[3]

The IDD(tpd) speciﬁcation is measured using an external clock with the following functions disabled: comparators, real-time clock,

brownout detect, and watchdog timer.

[4]

See Section 8 “Limiting values” for steady state (non-transient) limits on IOL or IOH. If IOL/IOH exceeds the test condition, VOL/VOH may

exceed the related speciﬁcation.

IIL

LOW-level input current

VI = 0.4 V

[7] --

−80

µA

ILI

input leakage current

VI =VIL, VIH, or Vth(HL)

[8] --

±1

µA

ITHL

HIGH-LOW transition current

all ports; VI = 1.5 V at

VDD = 3.6 V

[9]

−30

−450

µA

RRST_N(int) internal pull-up resistance on

pin RST

Ω

BOD interrupt

Vtrip

trip voltage

falling stage

BOICFG1,

BOICFG0 = 01

2.25

2.55

BOICFG1,

BOICFG0 = 10

2.60

2.80

BOICFG1,

BOICFG0 = 11

3.10

3.40

rising stage

BOICFG1,

BOICFG0 = 01

2.30

2.60

BOICFG1,

BOICFG0 = 10

2.70

2.90

BOICFG1,

BOICFG0 = 11

3.15

3.45

BOD reset

Vtrip

trip voltage

falling stage

BOE1, BOE0 = 01

2.10

2.30

BOE1, BOE0 = 10

2.25

2.55

BOE1, BOE0 = 11

2.80

3.20

rising stage

BOE1, BOE0 = 01

2.20

2.40

BOE1, BOE0 = 10

2.30

2.60

BOE1, BOE0 = 11

2.90

3.30

BOD EEPROM/FLASH

Vtrip

trip voltage

falling stage

2.25

2.55

rising stage

2.30

2.60

Vref(bg)

band gap reference voltage

1.11

1.23

1.34

TCbg

band gap temperature

coefﬁcient

ppm/

°C

Table 10.

Static characteristics …continued

VDD = 2.4 V to 3.6 V unless otherwise speciﬁed.

Tamb = −40 °C to +85 °C for industrial applications, unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

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