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N78E366A 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 N78E366A
기능 8-bit 8051-based Microcontroller
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N78E366A 데이터시트 및 N78E366A PDF

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N78E366A pdf, 반도체, 판매, 대치품
N78E366A Data Sheet
1. DESCRIPTION
N78E366A is an 8-bit microcontroller, which has an in-system programmable Flash supported. The instruction
set of N78E366A is fully compatible with the standard 8051. N78E366A contains a 64k bytes of main Flash
APROM, in which the contents of the main program code can be updated by parallel Programmer/Writer or In
System Programming (ISP) method which enables on-chip firmware updating. There is an additional 2.5k bytes
called LDROM for ISP function. N78E366A provides 256 bytes of SRAM, 1k bytes of auxiliary RAM (XRAM),
four 8-bit bi-directional and bit-addressable I/O ports, an additional 8-bit bi-directional and bit-addressable port
P4 for LQPF-48 package (PLCC-44 and PQFP-44 just have low nibble 4 bits of P4 and DIP-40 does not have
this additional P4), three 16-bit Timers/Counters, one UART, five PWM output channels, and one SPI. These
peripherals equip with 11-source with 4-level priority interrupts capability. To facilitate programming and verifi-
cation, the Flash inside the N78E366A allows the Program Memory to be programmed and read electronically.
Once the code confirms, the user can lock the code for security.
N78E366A is built in a precise on-chip RC oscillator of 22.1184MHz/11.0592MHz selected by CONFIG setting,
factory trimmed to ±1% at room temperature. N78E366A provides additional power monitoring detection such
as power-on and Brown-out detection. It stabilizes the power-on/off sequence for a high reliability system de-
sign.
N78E366A microcontroller operation consumes a very low power. Two economic power modes to reduce pow-
er consumption, Idle mode and Power Down mode. Both of them are software selectable. The Idle mode turns
off the CPU clock but allows continuing peripheral operation. The Power Down mode stops the whole system
clock for minimum power consumption.
Publication Release Date: March 11, 2011
- 4 - Revision: V2.0

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N78E366A 전자부품, 판매, 대치품
3. BLOCK DIAGRAM
Figure 31 shows the functional block diagram of N78E366A. It gives the outline of the device. The user can
find all the devices peripheral functions in the diagram.
VDD
VSS
RST
P0[7:0]
8
P1[7:0]
8
P2[7:0]
8
P3[7:0]
8
P4[7:0]
8
XTAL1
XTAL2
Brownout and
low voltage
detection
12T 80C51 CPU
64k Bytes
APROM Flash
2.5k Bytes
LDROM Flash
256 Bytes
Internal RAM
1024 Bytes
XRAM
(Auxiliary RAM)
I/O Port, P0
I/O Port, P1
I/O Port, P2
Timer0
Timer 1
Timer 2
Serial Port
(UART)
SPI
PWM
External
Interrupt
Watchdog
Timer
Power Down
Waking-up Timer
I/O Port, P3
I/O Port, P4
External Memory
Bus Interface
Oscillating
Circuit
System
Clock
Power
Management
12T/6T Divider
On-chip RC
Oscillator
Figure 31. N78E366A Function Block Diagram
T0 (P3.4)
T1 (P3.5)
T2 (P1.0)
T2EX (P1.1)
TXD (P3.1)
RXD (P3.0)
SS (P1.4)
MOSI (P1.5)
MISO (P1.6)
SPCLK (P1.7)
5 PWM0~PWM4
(P1.3~P1.7)
INT0 (P3.2)
INT1 (P3.3)
INT2 (P4.3)
INT3 (P4.2)
8
8
AD[7:0] (P0[7:0])
A[15:8] (P2[7:0])
ALE
PSEN
WR (P3.6)
RD (P3.7)
Publication Release Date: March 11, 2011
- 7 - Revision: V2.0

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N78E366A

The functions of this components is a 8-bit 8051-based Microcontroller.

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