P89LPC932 Philips Semiconductors, P89LPC932 Datasheet - Page 11
P89LPC932
Manufacturer Part Number
P89LPC932
Description
80C51 8-bit microcontroller with two-clock core 8 KB 3 V low-power Flash with 512-byte data EEPROM
Manufacturer
Philips Semiconductors
Datasheet
1.P89LPC932.pdf
(60 pages)
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Philips Semiconductors
6. Logic symbol
7. Special function registers
9397 750 12379
Product data
Fig 5. Logic symbol.
CLKOUT
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
Remark: Special Function Registers (SFRs) accesses are restricted in the following
ways:
•
•
•
CMPREF
User must not attempt to access any SFR locations not defined.
Accesses to any defined SFR locations must be strictly for the functions for the
SFRs.
SFR bits labeled ‘-’, ‘0’ or ‘1’ can only be written and read as follows:
CIN2B
CIN2A
CIN1B
CIN1A
XTAL2
XTAL1
– ‘-’ Unless otherwise specified, must be written with ‘0’, but can return any value
– ‘0’ must be written with ‘0’, and will return a ‘0’ when read.
– ‘1’ must be written with ‘1’, and will return a ‘1’ when read.
CMP2
CMP1
when read (even if it was written with ‘0’). It is a reserved bit and may be used in
future derivatives.
T1
Rev. 04 — 06 January 2004
8-bit microcontroller with accelerated two-clock 80C51 core
P89LPC932
V DD
002aaa511
V SS
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
TxD
RxD
T0
INT0
INT1
RST
OCB
OCC
ICB
OCD
MOSI
MISO
SS
SPICLK
OCA
ICA
P89LPC932
SCL
SDA
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