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W78E058B40DL Datasheet(PDF) 10 Page - Winbond

Part # W78E058B40DL
Description  8-BIT MICROCONTROLLER
Download  36 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W78E058B40DL Datasheet(HTML) 10 Page - Winbond

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W78E58B/W78E058B
- 10 -
Eight-source interrupt information
INTERRUPT
SOURCE
VECTOR
ADDRESS
POLLING
SEQUENCE WITHIN
PRIORITY LEVEL
ENABLE
REQUIRED
SETTINGS
INTERRUPT
TYPE
EDGE/LEVEL
External Interrupt 0
03H
0 (highest)
IE.0
TCON.0
Timer/Counter 0
0BH
1
IE.1
-
External Interrupt 1
13H
2
IE.2
TCON.2
Timer/Counter 1
1BH
3
IE.3
-
Serial Port
23H
4
IE.4
-
Timer/Counter 2
2BH
5
IE.5
-
External Interrupt 2
33H
6
XICON.2
XICON.0
External Interrupt 3
3BH
7 (lowest)
XICON.6
XICON.3
P4CONB (C3H)
BIT
NAME
FUNCTION
7, 6
P43FUN1
P43FUN0
00: Mode 0. P4.3 is a general purpose I/O port which is the same as Port1.
01: Mode 1. P4.3 is a Read Strobe signal for chip select purpose. The address
range depends on the SFR P43AH, P43AL, P43CMP1 and P43CMP0.
10: Mode 2. P4.3 is a Write Strobe signal for chip select purpose. The address
range depends on the SFR P43AH, P43AL, P43CMP1 and P43CMP0.
11: Mode 3. P4.3 is a Read/Write Strobe signal for chip select purpose. The
address range depends on the SFR P43AH, P43AL, P43CMP1, and
P43CMP0.
5, 4
P43CMP1
P43CMP0
Chip-select signals address comparison:
00: Compare the full address (16 bits length) with the base address register
P43AH, P43AL.
01: Compare the 15 high bits (A15
− A1) of address bus with the base address
register P43AH, P43AL.
10: Compare the 14 high bits (A15
− A2) of address bus with the base address
register P43AH, P43AL.
11: Compare the 8 high bits (A15
− A8) of address bus with the base address
register P43AH, P43AL.
3, 2
P42FUN1
P42FUN0
The P4.2 function control bits which are the similar definition as P43FUN1,
P43FUN0.
1, 0
P42CMP1
P42CMP0
The P4.2 address comparator length control bits which are the similar definition
as P43CMP1, P43CMP0.


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