W78LE365 Datasheet PDF - Winbond
| Part Number | W78LE365 | |
| Description | 8-BIT MICROCONTROLLER | |
| Manufacturers | Winbond | |
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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/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
P0.0−P0.7
P1.0−P1.7
P2.0−P2.7
P3.0−P3.7
P4.0−P4.7
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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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for W78LE365 electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ W78LE365.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | Manufacturers |
| W78LE365 | The function is 8-BIT MICROCONTROLLER. | Winbond |
| W78LE365A | The function is 8-BIT MICROCONTROLLER. | Winbond |
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