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PDF N76E616 Data sheet ( Hoja de datos )
| Número de pieza | N76E616 | |
| Descripción | 8051-based Microcontroller | |
| Fabricantes | Nuvoton | |
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N76E616 Datasheet
Nuvoton 1T 8051-based Microcontroller
N76E616
Datasheet
Feb 20, 2016
Page 1 of 179
Rev. 1.01
1 page  
N76E616 Datasheet
1. GENERAL DESCRIPTION
The N76E616 is an embedded flash type, 8-bit high performance 1T 8051-based microcontroller. The
instruction set is fully compatible with the standard 80C51 and performance enhanced.
The N76E616 contains an up to 18K Bytes of main Flash called APROM, in which the contents of
User Code reside. The N76E616 Flash supports In-Application-Programming (IAP) function, which
enables on-chip firmware updates. IAP also makes it possible to configure any block of User Code
array to be used as non-volatile data storage, which is written by IAP and read by IAP or MOVC
instruction. There is an additional Flash called LDROM, in which the Boot Code normally resides for
carrying out In-System-Programming (ISP). The LDROM size is configurable with a maximum of 4K
Bytes. To facilitate programming and verification, the Flash allows to be programmed and read
electronically by parallel Writer or In-Circuit-Programming (ICP). Once the code is confirmed, user can
lock the code for security.
The N76E616 provides rich peripherals including 256 Bytes of SRAM, 256 Bytes of auxiliary RAM
(XRAM), up to 46 general purpose I/O, two 16-bit Timers/Counters 0/1, one 16-bit Timer 2 group with
four auto-reload or PWM timers, one Watchdog Timer (WDT), one Self Wake-up Timer (WKT), one
16-bit auto-reload Timer 3 for general purpose or baud rate generator, two UARTs with frame error
2
detection and automatic address recognition, one I C, eight-channel shared pin interrupt for all I/O,
one 10-bit ADC, and the LCD driver for up to 180 pixels. The peripherals are equipped with 17
sources with 4-level-priority interrupts capability.
The N76E616 is equipped with five clock sources and supports switching on-the-fly via software. The
four clock sources include 2 MHz to 16 MHz high-speed external crystal/resonator, 32.768 kHz low-
speed external crystal/resonator, external clock input, 10 kHz internal oscillator, and one 11.059 MHz
internal precise oscillator that is factory trimmed to ±1% at room temperature. The N76E616 provides
additional power monitoring detection such as power-on reset and 4-level brown-out detection, which
stabilizes the power-on/off sequence for a high reliability system design.
The N76E616 microcontroller operation consumes a very low power with two economic power modes
to reduce power consumption － Idle and Power-down mode, which are software selectable. Idle
mode turns off the CPU clock but allows continuing peripheral operation. Power-down mode stops the
whole system clock for minimum power consumption. The system clock of the N76E616 can also be
slowed down by software clock divider, which allows for flexibility between execution performance and
power consumption.
With high performance CPU core and rich well-designed peripherals, the N76E616 benefits to meet a
general purpose, home appliances, or motor control system accomplishment.
Feb 20, 2016
Page 5 of 179
Rev. 1.01
5 Page 
N76E616 Datasheet
Table 4–1. Pin Description
Pin Number
LQFP-48
P2[7:0]
Symbol
16 P2.0/T2BO2/SEG11
17 P2.1/RXD/SEG12
18 P2.2/TXD/SEG13
19 P2.3/SDA/SEG14
20 P2.4/SCL/SEG15
21 P2.5/SEG16
22 P2.6/T2CO1/SEG17
23 P2.7/T2CO2/SEG18
P3[6:0]
32 P3.0/T2DO1/SEG27
33 P3.1/T2DO2/SEG28
34 P3.2/XIN/SEG29
35 P3.3/XOUT/SEG30
46 P3.4/ICPDA/OCDDA
Multi-Function Description[1]
P2: Port 2 is a bit-addressable, 8-bit I/O port. After reset, all pins
are in input-only mode.
P2.0: Port 2 bit 0.
T2BO2: Timer 2B output 2.
SEG11: LCD segment 11 output.
P2.1: Port 2 bit 1.
RXD: Serial port 0 receive input.
SEG12: LCD segment 12 output.
P2.2: Port 2 bit 2.
TXD: Serial port 0 transmit data output.
SEG13: LCD segment 13 output.
P2.3: Port 2 bit 3.
2
SDA: I C data.
SEG14: LCD segment 14 output.
P2.4: Port 2 bit 4.
2
SCL: I C clock.
SEG15: LCD segment 15 output.
P2.5: Port 2 bit 5.
SEG16: LCD segment 16 output.
P2.6: Port 2 bit 6.
T2CO1: Timer 2C output 1.
SEG17: LCD segment 17 output.
P2.7: Port 2 bit 7.
T2CO2: Timer 2C output 2.
SEG18: LCD segment 18 output.
P3: Port 3 is a bit-addressable, 7-bit I/O port. P3.6 is a dedicated
input-only pin if available.
P3.0: Port 3 bit 0.
T2DO1: Timer 2D output 1.
SEG27: LCD segment 27 output.
P3.1: Port 3 bit 1.
T2DO1: Timer 2D output 2.
SEG28: LCD segment 28 output.
P3.2: Port 3 bit 2 available only when HXT, LXT, or ECLK is not
used.
XIN: If HXT or LXT is used, XIN is the input pin to the internal
inverting amplifier. If the ECLK mode is enabled, XIN is the
external clock input pin.
SEG29: LCD segment 29 output.
P3.3: Port 3 bit 3 available when HXT or LXT is not used.
XOUT: If HXT or LXT is used, XOUT is the output pin from the
internal inverting amplifier. It emits the inverted signal of XIN.
SEG30: LCD segment 30 output.
P3.4: Port 3 bit 4.
ICPDA: ICP data input or output.
OCDDA: OCD data input or output.
Feb 20, 2016
Page 11 of 179
Rev. 1.01
11 Page | ||
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