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Details, datasheet, quote on part number:P87LPC778FDH
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| Part: | P87LPC778FDH |
| Category: | Microcontrollers => 8 bit |
| Description: | CMOS Single-chip 8-bit 80C51 Microcontroller With 128-byte Data RAM, 8 KB Otp.<<<>>>the P87LPC778 is a 20-pin Single-chip Microcontroller Designed For Low Pin Count Applications Demanding High-integration, Low Cost Solutions Over a Wide Range of Performance Requirements. A Member of The Philips Low Pin Count Family, The P87LPC778 Offers a 4 Channel, 8-bit A/D Converter, Programmable Oscillator Configurations For High And Low Speed Crystals or RC Operation, Wide Operating Voltage Range, Programmable Port Output Configurations, Selectable Schmitt Trigger Inputs, Led Drive Outputs, And a Built-in Watchdog Timer. The P87LPC778 is Based on an Accelerated 80C51 Processor Architecture That Executes Instructions at Twice The Rate of Standard 80C51 Devices. <<<>>><<<>>> <<<>>> Features an Accelerated 80C51 Cpu Provides Instruction Cycle Times of 300 NS to 600 NS For All Instructions Except Multiply And Divide When Executing at 20 Mhz. <<<>>>2.7 V to 5.5 V Operating Range For Digital Functions. <<<>>>Four Channel, 10-bit Pulse Width Modulator. <<<>>>Four Channel, 8-bit Analog to Digital Converter. Conversion Time is 9.3 us With a 20 MHZ Crystal. <<<>>>I C-bus Communication Port And Full Duplex Uart. <<<>>>Internal Oscillator 2.5 Pct. The Internal Oscillator Option Allows Operation With no External Oscillator Components. <<<>>>Two Analog Comparators. <<<>>>Eight Keypad Interrupt Inputs, Plus Two Additional External Interrupt Inputs. <<<>>>Watchdog Timer With Separate On-chip Oscillator, Requiring no External Components. The Watchdog Time-out Time is Selectable From 8 Values. <<<>>>20-pin Tssop Package. |
| Company: | Philips Semiconductors |
| Datasheet: | Download P87LPC778FDH datasheet File size : 385 kB |
| Request For quote: | Find where to buy P87LPC778FDH
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Datasheet text preview:
P87LPC778
CMOS single-chip 8-bit 80C51 microcontroller with 128-byte data RAM, 8 kB OTP
Rev. 01 -- 31 March 2004 Product data
1. General description
The P87LPC778 is a 20-pin single-chip microcontroller designed for low pin count applications demanding high-integration, low cost solutions over a wide range of performance requirements. A member of the Philips low pin count family, the P87LPC778 offers a 4 channel, 8-bit A/D converter, programmable oscillator configurations for high and low speed crystals or RC operation, wide operating voltage range, programmable port output configurations, selectable Schmitt trigger inputs, LED drive outputs, and a built-in Watchdog timer. The P87LPC778 is based on an accelerated 80C51 processor architecture that executes instructions at twice the rate of standard 80C51 devices.
2. Features
s An accelerated 80C51 CPU provides instruction cycle times of 300 ns to 600 ns for all instructions except multiply and divide when executing at 20 MHz. s 2.7 V to 5.5 V operating range for digital functions. s Four channel, 10-bit Pulse Width Modulator. s Four channel, 8-bit Analog to Digital Converter. Conversion time is 9.3 µs with a 20 MHz crystal. s I2C-bus communication port and Full duplex UART. s Internal oscillator 2.5 %. The internal oscillator option allows operation with no external oscillator components. s Two analog comparators. s Eight keypad interrupt inputs, plus two additional external interrupt inputs. s Watchdog timer with separate on-chip oscillator, requiring no external components. The Watchdog time-out time is selectable from 8 values. s 20-pin TSSOP package.
Philips Semiconductors
P87LPC778
CMOS single-chip 8-bit microcontroller
3. Ordering information
Table 1: Ordering information Package Name P87LPC778FDH TSSOP20 Description plastic thin shrink small outline package; 20 leads; body width 4.4 mm Temperature range -40 °C to +85 °C Version SOT360-1 Type number
9397 750 12378
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data
Rev. 01 -- 31 March 2004
2 of 79
Philips Semiconductors
P87LPC778
CMOS single-chip 8-bit microcontroller
4. Block diagram
ACCELERATED 80C51 CPU INTERNAL BUS 8 kB CODE EPROM 128-BYTE DATA RAM PORT 2 CONFIGURABLE I/Os PORT 1 CONFIGURABLE I/Os PORT 0 CONFIGURABLE I/Os UART
I2C
TIMER 0, 1
WATCHDOG TIMER AND OSCILLATOR
ANALOG COMPARATORS
KEYPAD INTERRUPT
A/D CONVERTER
PROGRAMMABLE OSCILLATOR DIVIDER
CPU CLOCK ON-CHIP RC OSCILLATOR
PULSE WIDTH MODULATOR
CRYSTAL OR RESONATOR
CONFIGURABLE OSCILLATOR
POWER MONITOR (POWER-ON RESET, BROWNOUT RESET)
002aaa614
Fig 1. Block diagram.
9397 750 12378
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data
Rev. 01 -- 31 March 2004
3 of 79
Philips Semiconductors
P87LPC778
CMOS single-chip 8-bit microcontroller
FFFFh UNUSED SPACE UNUSED CODE MEMORY SPACE FCFFh 32-BYTE CUSTOMER CODE SPACE (ACCESSIBLE VIA MOVC) FCE0h UNUSED CODE MEMORY SPACE 2000h 1FFFh 8 KBYTES ON-CHIP DATA MEMORY 128 BYTES ON-CHIP DATA 7Fh MEMORY (DIRECTLY AND INDIRECTLY ADDRESSABLE VIA MOVC) 16 BYTES BIT-ADDRESSABLE 0000h on-chip data memory space 00h external data memory space(1) UNUSED SPACE SPECIAL FUNCTION REGISTERS (ONLY DIRECTLY ADDRESSABLE) 80h FFh CONFIGURATION BYTES UCFG1, UCFG2 (ACCESSIBLE VIA MOVX)
FFFFh
FD01h
FD00h
INTERRUPT VECTORS on-chip code memory space
0000h
002aaa615
(1) The P87LPC778 does not support access to external data memory. However, the User Configuration Bytes are accessed via the MOVX instruction as if they were in external data memory.
Fig 2. Memory map.
9397 750 12378
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data
Rev. 01 -- 31 March 2004
4 of 79
Philips Semiconductors
P87LPC778
CMOS single-chip 8-bit microcontroller
5. Pinning information
5.1 Pinning
handbook, halfpage
PWM3/CMP2/P0.0 1 PWM2/P1.7 2 PWM1/P1.6 3 RST/P1.5 4
20 P0.1/CIN2B/PWM0 19 P0.2/CIN2A 18 P0.3/CIN1B/AD0 17 P0.4/CIN1A/AD1
P87LPC778
VSS 5 X1/P2.1 6 X2/CLKOUT/P2.0 7 INT1/P1.4 8 SDA/INT0/P1.3 9 SCL/T0/P1.2 10
16 P0.5/CMPREF/AD2 15 VDD 14 P0.6/CMP1/AD3 13 P0.7/T1 12 P1.0/TxD 11 P1.1/RxD
002aaa612
Fig 3. 20 pin DIP and SO configuration.
5.2 Pin description
Table 2: Symbol P0.0 - P0.7 Pin description Pin 1, 20-16, 14, 13 Type I/O Description Port 0: Por t 0 is an 8-bit I/O por t with a user-configurable output type. Por t 0 latches are configured in the quasi-bidirectional mode and have either ones or zeros written to them during reset, as determined by the PRHI bit in the UCFG1 configuration byte. The operation of port 0 pins as inputs and outputs depends upon the port configuration selected. Each por t pin is configured independently. Refer to Section 8.9 "I/O por ts" and Table 67 "DC electrical characteristics" for details. The Keypad Interrupt feature operates with Port 0 pins. Por t 0 also provides various special functions as described below: P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 1 20 19 18 17 16 14 O O I O I I I I I I I O I
9397 750 12378
CMP2 -- Comparator 2 output. PWM3 -- PWM output 3. CIN2B -- Comparator 2 positive input B. PWM0 -- PWM output 0. CIN2A -- Comparator 2 positive input A. CIN1B -- Comparator 1 positive input B. AD0 -- A/D channel 0 input. CIN1A -- Comparator 1 positive input A. AD1 -- A/D channel 1 input. CMPREF -- Comparator reference (negative) input. AD2 -- A/D channel 2 input. CMP1 -- Comparator 1 output. AD3 -- A/D channel 3 input.
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data
Rev. 01 -- 31 March 2004
5 of 79
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