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P89LPC9408
General description
The P89LPC9408 is a multi-chip module consisting of a P89LPC938 single-chip microcontroller combined with a PCF8576D universal LCD controller in a low-cost 64-pin package. The LCD controller provides 32 segments and supports from 1 to 4 backplanes. Display overhead is minimized by an on-chip display RAM with auto-increment addressing.
Features
- 8 kB byte-erasable flash code memory organized into 1 kB sectors and 64-byte pages. Single-byte erasing allows any byte(s) to be used as non-volatile data storage.
- 256-byte RAM data memory.
- 512-byte customer Data EEPROM on chip allows serialization of devices, storage of set-up parameters, etc.
- 32 segment x 4 backplane LCD controller supports from 1 to 4 backplanes.
- 8-input multiplexed 10-bit ADC. Two analog comparators with selectable inputs and reference source.
- Two 16-bit counter/timers (each may be configured to toggle a port output upon timer overflow or to become a PWM output) and a 23-bit system timer that can also be used as a Real-Time Clock (RTC).
- Enhanced UART with fractional baud rate generator, break detect, framing error detection, and automatic address detection; 400 kHz byte-wide I2C-bus communication port and SPI communication port.
- CCU provides PWM, input capture, and output compare functions.
- High-accuracy internal RC oscillator option allows operation without external oscillator components. The RC oscillator option is selectable and fine tunable.
- 64-pin LQFP package with 20 microcontroller I/O pins minimum and up to 23 microcontroller I/O pins while using on-chip oscillator and reset options.
- 2.4 V to 3.6 V VDD operating range. I/O pins are 5 V tolerant (may be pulled up or driven to 5.5 V).
- Serial flash In-Circuit Programming (ICP) allows simple production coding with commercial EPROM programmers. Flash security bits prevent reading of sensitive application programs.
- A high performance 80C51 CPU provides instruction cycle times of 111 ns to 222 ns for all instructions except multiply and divide when executing at 18 MHz. This is six times the performance of the standard 80C51 running at the same clock frequency. A lower clock frequency for the same performance results in power savings and reduced EMI.
- Serial flash In-System Programming (ISP) allows coding while the device is mounted in the end application.
- In-Application Programming (IAP) of the flash code memory. This allows changing the code in a running application.
- Watchdog timer with separate on-chip oscillator, requiring no external components. The watchdog prescaler is selectable from eight values.
- Low voltage detect (brownout) allows a graceful system shutdown when power fails. May optionally be configured as an interrupt.
- Idle and two different power-down reduced power modes. Improved wake-up from Power-down mode (a LOW interrupt input starts execution). Typical power-down current is 9 uA typical (total power-down with voltage comparators disabled).
- Active-LOW reset. On-chip power-on reset allows operation without external reset components. A reset counter and reset glitch suppression circuitry prevent spurious and incomplete resets. A software reset function is also available.
- Configurable on-chip oscillator with frequency range options selected by user programmed flash configuration bits. Oscillator options support frequencies from 20 kHz to the maximum operating frequency of 18 MHz.
- Oscillator fail detect. The watchdog timer has a separate fully on-chip oscillator allowing it to perform an oscillator fail detect function.
- Programmable port output configuration options: quasi-bidirectional, open drain, push-pull, input-only.
- Port 'input pattern match' detect. Port 0 may generate an interrupt when the value of the pins match or do not match a programmable pattern.
- LED drive capability (20 mA) on all port pins. A maximum limit is specified for the entire chip.
- Controlled slew rate port outputs to reduce EMI. Outputs have approximately 10 ns minimum ramp times.
- Only power and ground connections are required to operate the P89LPC9408 when internal reset option is selected.
- Four interrupt priority levels.
- Eight keypad interrupt inputs, plus two additional external interrupt inputs.
- Schmitt trigger port inputs.
- Second data pointer.
Principal features
Additional features
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| P89LPC9408FBD | P89LPC9408FBD | 9352 805 83557 | Volume production | SOT791-1
(LQFP64) | Tray Dry Pack, Bakeable, Multiple | Standard Marking | P89LPC9408FBD
| Always Pb-free |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Order quantity | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|---|
| P89LPC9408FBD | 9352 805 83557 | 2.8800 | NA | DIGI-KEY CORPORATION | 534 | 1/6/2009 | Buy online | Order samples | |
| EU | FARNELL | 200 | 1/7/2009 | Buy online |
Applications
Related applications
Digital media adapters
LCD display - discretes focus
PDA - discretes focus
HID
Projector
Intelligent washing machine
Transceiver board
Power amplifier board
Main CPU board
LCD TV - MMS functionality
Color mixing for RGBA LEDs
Design support
Application Notes
AN10289_1;
LPC900 external crystal start-up (27-Apr-04)
Support Documents
TN06004_LPC2000_ADC;
LPC2000 ADC code example (2006-03-27)TN06005_LPC2000_I2C;
LPC2000 I2C slave code example (2006-04-21)TN06008_LPC2000_SPI;
LPC2000 SPI slave code example (2006-06-16)li_ion_battery_charger;
Li-ion Battery charger (17-Dec-04)75015492;
MCU with LCD driver (2006-04-01)MACC05009_P89V51Rx2;
P89(L)V51Rx2 Code security (2005-11-25)75016051;
The choice for embedded technologies (2007-07-01)75015572;
The innovation leader in microcontrollers (2006-09-01)TN06007_V51RX2_Migration;
V51RX2 Migration (2006-06-01)TN06006_V66x_Migration;
V66x Migration (2006-06-01)Parametrics/similar products
| Type number | Package | Power supply | RAM(bytes) | System Freq(MHz) | SPECIAL FEATURES | FUNCTION | ADCs | Watchdog timer | I/O pins | Operating temp.(Cel) | Timers | PWMs | Memory Type | Serial Interfaces | External Interrupt | Program Security | Series | No. of Pins | Clock Type | Memory Size(kBits) | Operating Frequency(MHz) | Reset Active Low or High |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P89LPC9408FBD | SOT791-1
(LQFP64) | 2.4~3.6V | 768 | 0~18 | LPC938 + LCD controller | 8-bit 80C51 uController | 8-ch 10-bit ADC | yes | 26 | -40~85 | 5 x 16-bit | 4-ch CCU | FLASH | UART/I2C/SPI | 3 | yes | LPC900 family | 64 | 2-clk | 8KB | 0~18 | Low |
Similar products
P89LPC9408
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