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What is W78LE365?

This electronic component, produced by the manufacturer "Winbond", performs the same function as "8-BIT MICROCONTROLLER".


W78LE365 Datasheet PDF - Winbond

Part Number W78LE365
Description 8-BIT MICROCONTROLLER
Manufacturers Winbond 
Logo Winbond Logo 


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W78LE365/W78L365A Data Sheet
8-BIT MICROCONTROLLER
www.DataSheet4U.com
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 3
2. FEATURES ................................................................................................................................. 3
3. PIN CONFIGURATIONS ............................................................................................................ 4
4. PIN DESCRIPTION..................................................................................................................... 5
5. FUNCTIONAL DESCRIPTION ................................................................................................... 6
5.1 RAM ................................................................................................................................ 6
5.2 Timers 0, 1 and 2............................................................................................................ 7
5.2.1 Timer 2 Output .................................................................................................................7
5.3 Clock ............................................................................................................................... 7
5.3.1 Crystal Oscillator ..............................................................................................................7
5.3.2 External Clock ..................................................................................................................7
5.4 Power Management........................................................................................................ 8
5.4.1 Idle Mode..........................................................................................................................8
5.4.2 Power-down Mode............................................................................................................8
5.4.3 Reduce EMI Emission ......................................................................................................8
5.5 Reset............................................................................................................................... 9
5.5.1 W78L365A Special Function Registers (SFRs) and Reset Values...................................9
5.6 Port 4 ............................................................................................................................ 10
5.6.1 Port Options Register .....................................................................................................10
5.6.2 INT2 / INT3 ..................................................................................................................10
5.6.3 Port 4 Base Address Registers ......................................................................................13
5.7 Pulse Width Modulated Outputs (PWM)....................................................................... 14
5.8 Watchdog Timer ........................................................................................................... 17
5.9 In-System Programming (ISP) Mode............................................................................ 19
5.9.1 In-System Programming Control Register (CHPCON) ...................................................20
5.10 Software Reset ............................................................................................................. 21
5.11 H/W Reboot Mode (Boot from LDROM) ....................................................................... 21
6. SECURITY ................................................................................................................................ 24
6.1 Lock Bit ......................................................................................................................... 24
6.2 MOVC Inhibit................................................................................................................. 24
6.3 Encryption ..................................................................................................................... 25
6.4 Oscillator Control .......................................................................................................... 25
7. ELECTRICAL CHARACTERISTICS......................................................................................... 26
Publication Release Date: January 10, 2007
- 1 - Revision A7

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W78LE365 equivalent
W78LE365/W78L365A
4. PIN DESCRIPTION
SYMBOL
EA
TYPE
DESCRIPTIONS
EXTERNAL ACCESS ENABLE: This pin forces the processor to execute the
I external ROM. The ROM address and data will not be presented on the bus if
the EA pin is high.
PSEN
ALE
RST
XTAL1
XTAL2
VSS
VDD
P0.0P0.7
P1.0P1.7
P2.0P2.7
P3.0P3.7
P4.0P4.7
PROGRAM STORE ENABLE: PSEN enables the external ROM data in the
O H Port 0 address/data bus. When internal ROM access is performed, no PSEN
strobe signal outputs originate from this pin.
ADDRESS LATCH ENABLE: ALE is used to enable the address latch that
O H separates the address from the data on Port 0. ALE runs at 1/6th of the
oscillator frequency.
IL
RESET: A high on this pin for two machine cycles while the oscillator is
running resets the device.
I
CRYSTAL 1: This is the crystal oscillator input. This pin may be driven by an
external clock.
O CRYSTAL 2: This is the crystal oscillator output. It is the inversion of XTAL1.
I GROUND: ground potential.
I POWER SUPPLY: Supply voltage for operation.
I/O D PORT 0: Function is the same as that of standard 8052.
I/O H PORT 1: Function is the same as that of standard 8052.
I/O H
PORT 2: Port 2 is a bi-directional I/O port with internal pull-ups. This port also
provides the upper address bits for accesses to external memory. The P2.6
and P2.7 also provide the alternate function REBOOT which is H/W reboot
from LD flash.
I/O H PORT 3: Function is the same as that of the standard 8052.
PORT 4: A bi-directional I/O. The P4.3 also provide the alternate function
I/O H REBOOT which is H/W reboot from LD flash.
* Note: TYPE I: input, O: output, I/O: bi-directional, H: pull-high, L: pull-low, D: open drain
Publication Release Date: January 10, 2007
- 5 - Revision A7


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Featured Datasheets

Part NumberDescriptionMFRS
W78LE365The function is 8-BIT MICROCONTROLLER. WinbondWinbond
W78LE365AThe function is 8-BIT MICROCONTROLLER. WinbondWinbond

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