p89lpc932ba NXP Semiconductors, p89lpc932ba Datasheet - Page 30

• Manufacturer Part Number: p89lpc932ba
• Description: P89lpc932 8-bit Microcontroller With Accelerated Two-clock 80c51 Core 8 Kb Flash With 512-byte Data Eeprom And 768-byte Ram
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 12379
Product data
Fig 11. Capture/Compare Unit interrupts.
TOCIE2C (TICR2.5)
TOCIE2D (TICR2.6)
TOCIE2A (TICR2.3)
TOCIE2B (TICR2.4)
TOCF2C (TIFR2.5)
TOCF2D (TIFR2.6)
TICIE2A (TICR2.0)
TICIE2B (TICR2.1)
TOCF2A (TIFR2.3)
TOCF2B (TIFR2.4)
TICF2A (TIFR2.0)
TICF2B (TIFR2.1)
TOIE2 (TICR2.7)
TOIF2 (TIFR2.7)
ECCU (IEN1.4)
EA (IEN0.7)
8.18.9 CCU interrupts
8.19.1 Mode 0
8.19 UART
There are seven interrupt sources on the CCU which share a common interrupt
vector.
The P89LPC932 has an enhanced UART that is compatible with the conventional
80C51 UART except that Timer 2 overflow cannot be used as a baud rate source.
The P89LPC932 does include an independent Baud Rate Generator. The baud rate
can be selected from the oscillator (divided by a constant), Timer 1 overflow, or the
independent Baud Rate Generator. In addition to the baud rate generation,
enhancements over the standard 80C51 UART include Framing Error detection,
automatic address recognition, selectable double buffering and several interrupt
options. The UART can be operated in 4 modes: shift register, 8-bit UART, 9-bit
UART, and CPU clock/32 or CPU clock/16.
Serial data enters and exits through RxD. TxD outputs the shift clock. 8 bits are
transmitted or received, LSB first. The baud rate is fixed at
frequency.
Rev. 04 — 06 January 2004
8-bit microcontroller with accelerated two-clock 80C51 core
ENCODER
PRIORITY
INTERRUPT
SOURCES
OTHER
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
002aaa537
1
P89LPC932
16
of the CPU clock
INTERRUPT
TO CPU
ENCINT.0
ENCINT.1
ENCINT.2
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