P89LPC972FDH,129 NXP Semiconductors, P89LPC972FDH,129 Datasheet - Page 7

• Manufacturer Part Number: P89LPC972FDH,129
• Description: MCU 80C51 8KB FLASH 20TSSOP
• Manufacturer: NXP Semiconductors
• Series: LPC900r

Specifications of P89LPC972FDH,129

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 20-TSSOP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 18MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: P89LPC
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 18 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 5
• Operating Supply Voltage: 2.4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 935290299129

NXP Semiconductors
Table 3.
P89LPC97X
Product data sheet
Symbol
P0.0 to P0.7
P0.0/CMP2/KBI0/
SPICLK
P0.1/CIN2B/
KBI1
P0.2/CIN2A/
KBI2
P0.3/CIN1B/
KBI3/T2
P0.4/CIN1A/
KBI4
P0.5/CMPREF/
KBI5/T3
Pin description
6.2 Pin description
Pin
DIP20,
TSSOP20
1
20
19
18
17
16
Type Description
I/O
I/O
O
I
I/O
I/O
I
I
I/O
I
I
I/O
I
I
I/O
I/O
I
I
I/O
I
I
I/O
Port 0: Port 0 is an 8-bit I/O port with a user-configurable output type. During reset
Port 0 latches are configured in the input-only mode with the internal pull-up
disabled. The operation of Port 0 pins as inputs and outputs depends upon the port
configuration selected. Each port pin is configured independently. Refer to
7.16.1 “Port configurations”
The Keypad Interrupt feature operates with Port 0 pins.
All pins have Schmitt trigger inputs.
Port 0 also provides various special functions as described below:
P0.0 — Port 0 bit 0.
CMP2 — Comparator 2 output
KBI0 — Keyboard input 0.
SPICLK — SPI clock. When configured as master, this pin is output; when
configured as slave, this pin is input (pin remap).
P0.1 — Port 0 bit 1.
CIN2B — Comparator 2 positive input B.
KBI1 — Keyboard input 1.
P0.2 — Port 0 bit 2.
CIN2A — Comparator 2 positive input A.
KBI2 — Keyboard input 2.
P0.3 — Port 0 bit 3. High current source.
CIN1B — Comparator 1 positive input B.
KBI3 — Keyboard input 3.
T2 — Timer/counter 2 external count input or overflow output.
P0.4 — Port 0 bit 4. High current source.
CIN1A — Comparator 1 positive input A.
KBI4 — Keyboard input 4.
P0.5 — Port 0 bit 5. High current source.
CMPREF — Comparator reference (negative) input.
KBI5 — Keyboard input 5.
T3 — Timer/counter 3 external count input or overflow output.
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 8 June 2010
8-bit microcontroller with accelerated two-clock 80C51 core
and
Table 11 “Static characteristics”
P89LPC970/971/972
© NXP B.V. 2010. All rights reserved.
for details.
Section
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