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See Technical Specifications

W77E516A40PL +BOM

40MHz 8051 CPU microcontroller with 8-bit data width and support for FLASH memory, housed in a PQCC44 plastic package that is ROHS compliant

Manufacturer:

Nuvoton Technology Corporation
Mfr.Part #:

W77E516A40PL
Datasheet:

W77E516A40PL Datasheet (PDF)
Pbfree Code:

Yes
Part Life Cycle Code:

Active
Pin Count:

44
Reach Compliance Code:

compliant

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

W77E516A40PL General Description

Targeting industries where reliability and efficiency are paramount, the W77E516A40PL microcontroller from Nuvoton Technology is a valuable solution. Its comprehensive feature set, including generous flash memory, RAM, and EEPROM capabilities, ensures dependable operation in demanding scenarios. The support for UART, SPI, I2C, and GPIO peripherals also enables seamless integration with diverse hardware components, making it a versatile choice for a wide array of applications

Key Features

8-bit CMOS microcontroller
High speed architecture of 4 clocks/machine cycle runs up to 40 MHz
Pin compatible with standard 80C52
Instruction-set compatible with MCS-51
64KB on-chip Flash-EPROM
Four 8-bit I/O Ports; Port 0 has internal pull-up resisters enabled by software
One extra 4-bit I/O port and Wait State control signal (available on 44-pin PLCC/QFP package)
Three 16-bit Timers
12 interrupt sources with two levels of priority
On-chip oscillator and clock circuitry
Two enhanced full duplex serial ports
64KB In-system Programmable Flash EPROM (APROM)
4KB Auxiliary Flash EPROM for loader program (LDROM)
256 bytes scratch-pad RAM
1KB on-chip SRAM for MOVX instruction
Programmable Watchdog Timer
Dual 16-bit Data Pointers
Software programmable access cycle to external RAM/peripherals
Packages:
− Lead Free(RoHs) DIP 40: W77E516A40DL
− Lead Free(RoHs) PLCC 44: W77E516A40PL
− Lead Free(RoHs) QFP 44: W77E516A40FL

Specifications

Pbfree Code	Yes	Part Life Cycle Code	Active
Pin Count	44	Reach Compliance Code	compliant
ECCN Code	3A991.A.2	HTS Code	8542.31.00.01
Has ADC	NO	Address Bus Width	16
Bit Size	8	CPU Family	8051
Clock Frequency-Max	40 MHz	DAC Channels	NO
DMA Channels	NO	External Data Bus Width	8
JESD-30 Code	S-PQCC-J44	JESD-609 Code	e3
Length	16.59 mm	Number of I/O Lines	36
Number of Terminals	44	On Chip Program ROM Width	8
Operating Temperature-Max	70 °C	Operating Temperature-Min
PWM Channels	NO	Peak Reflow Temperature (Cel)	245
Qualification Status	Not Qualified	RAM (bytes)	1280
ROM (words)	65536	ROM Programmability	FLASH
Seated Height-Max	4.699 mm	Speed	40 MHz
Supply Current-Max	50 mA	Supply Voltage-Max	5.5 V
Supply Voltage-Min	4.5 V	Supply Voltage-Nom	5 V
Surface Mount	YES	Technology	CMOS
Temperature Grade	COMMERCIAL	Terminal Finish	MATTE TIN
Terminal Form	J BEND	Terminal Pitch	1.27 mm
Terminal Position	QUAD	Time@Peak Reflow Temperature-Max (s)	40
Width	16.59 mm	uPs/uCs/Peripheral ICs Type	MICROCONTROLLER