P89LPC9331_9341_9351_9361 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5.1 — 20 August 2012 75 of 94
NXP Semiconductors
P89LPC9331/9341/9351/9361
8-bit microcontroller with accelerated two-clock 80C51 core
10.3 BOD characteristics
[1] Typical ratings are not guaranteed. The values listed are at room temperature, 3 V.
Table 13. BOD static characteristics
V
DD
= 2.4 V to 3.6 V unless otherwise specified.
T
amb
=
40
Cto+85
C for industrial applications,
40
Cto+125
C extended, unless otherwise specified.
Symbol Parameter Conditions Min Typ
[1]
Max Unit
BOD interrupt
V
trip
trip voltage falling stage
BOICFG1, BOICFG0 = 01 2.25 - 2.55 V
BOICFG1, BOICFG0 = 10 2.60 - 2.80 V
BOICFG1, BOICFG0 = 11 3.10 - 3.40 V
rising stage
BOICFG1, BOICFG0 = 01 2.40 - 2.60 V
BOICFG1, BOICFG0 = 10 2.70 - 2.90 V
BOICFG1, BOICFG0 = 11 3.10 - 3.40 V
BOD reset
V
trip
trip voltage falling stage
BOE1, BOE0 = 01 2.10 - 2.30 V
BOE1, BOE0 = 10 2.35 - 2.50 V
BOE1, BOE0 = 11 2.90 - 3.20 V
rising stage
BOE1, BOE0 = 01 2.20 - 2.40 V
BOE1, BOE0 = 10 2.45 - 2.60 V
BOE1, BOE0 = 11 2.90 - 3.30 V
BOD EEPROM/FLASH
V
trip
trip voltage falling stage 2.25 - 2.60 V
rising stage 2.35 - 2.65 V
Fig 40. BOD interrupt/reset characteristics
V
DD
V
trip
002aae352
(BOF/BOIF
set by hardware)
(BOF/BOIF can be
cleared in software)
BOF/BOIF
