P89LPC912FDH NXP Semiconductors, P89LPC912FDH Datasheet - Page 33

• Manufacturer Part Number: P89LPC912FDH
• Description: MCU 8BIT 80C51 1K FLASH, TSSOP14
• Manufacturer: NXP Semiconductors

Specifications of P89LPC912FDH

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 12
• Program Memory Size: 1KB
• Ram Memory Size: 128Byte
• Cpu Speed: 18MHz
• Oscillator Type: External, Internal
• No. Of Timers: 4
• No. Of: RoHS Compliant

NXP Semiconductors
P89LPC912_913_914_5
Product data sheet
Fig 13. Interrupt sources, interrupt enables, and power-down wake-up sources (P89LPC912)
Fig 14. Interrupt sources, interrupt enables, and power-down wake-up sources (P89LPC913, P89LPC914)
(RTCCON.1)
(RTCCON.1)
WDOVF
WDOVF
ERTC
ERTC
RTCF
RTCF
8.12 I/O ports
The P89LPC912 and P89LPC913 devices have 4 I/O ports: Port 0, Port 1, Port 2 and
Port 3. The exact number of I/O pins available depends on the clock and reset options
chosen, as shown in
TI and RI/RI
EA (IE0.7)
EA (IE0.7)
ES/ESR
EWDRT
EWDRT
CMF2
CMF1
CMF2
CMF1
EKBI
EKBI
KBIF
KBIF
EBO
ESPI
BOF
EBO
ESPI
BOF
SPIF
SPIF
EST
ET1
ET0
ET1
TF0
ET0
TF0
TF1
TF1
EC
EC
Rev. 05 — 28 September 2007
Table
TI
10.
8-bit microcontrollers with two-clock 80C51 core
P89LPC912/913/914
002aaa485
© NXP B.V. 2007. All rights reserved.
wake-up
(if in power-down)
interrupt
to CPU
wake-up
(if in power-down)
interrupt
to CPU
002aaa484
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