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參數資料
| 型號： | W78C33 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 8-BIT Microcontroller(8位的微控制器) |
| 中文描述： | 8位微控制器（8位的微控制器） |
| 文件頁數： | 8/18頁 |
| 文件大小： | 217K |
| 代理商： | W78C33 |
W78C33
- 8 -
Eight-source interrupt informations, continued
INTERRUPT
SOURCE
VECTOR
ADDRESS
POLLING
SEQUENCE WITHIN
PRIORITY LEVEL
ENABLE
REQUIRED
SETTINGS
INTERRUPT
TYPE
EDGE/LEVEL
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
2. PORT4
Another bit-addressable port P4 is also available and only 4 bits (P4<3:0>) can be used. This port
address is located at 0D8H with the same function as that of port P1, except the P4.3 and P4.2 are
alternative function pins. It can be used as general I/O pins or external interrupt input sources (
INT2
/
INT3 ).
Example: P4
REG
0D8H
MOV
MOV
SETB
CLR
P4, #0AH
A, P4
P4.0
P4.1
; Output data "A" through P4.0
P4.3.
; Read P4 status to Accumulator.
; Set bit P4.0
; Clear bit P4.1
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
DC Power Supply
V
CC
V
SS
-0.3
+7.0
V
Input Voltage
V
IN
V
SS
-0.3
V
CC
+0.3
V
Operating Temperature
T
A
0
70
°
C
°
C
Storage Temperature
T
ST
-55
+150
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
the device.
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