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參數資料
型號: W741E260
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT FLASH MICROCONTROLLER
中文描述: 4-BIT, FLASH, 4.19 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 20/94頁
文件大小: 554K
代理商: W741E260
W741E260
- 20 -
PEF.0: Enable/disable the signal change at pin RC.0 to release hold mode or perform interrupt.
PEF.1: Enable/disable the signal change at pin RC.1 to release hold mode or perform interrupt.
PEF.2: Enable/disable the signal change at pin RC.2 to release hold mode or perform interrupt.
PEF.3: Enable/disable the signal change at pin RC.3 to release hold mode or perform interrupt.
Reset
MOV PEF, #I
CLR PSR0
HCF.2
INT 2
Reset
CLR EVF, #I
EVF.2
HEF.2
IEF.2
Signal
PEF.0
DATA BUS
PEF.3
Signal
PEF.1
Signal
PEF.2
Signal
D
ck
Q
R
PSR0.0
D
ck
Q
R
PSR0.1
D
ck
Q
R
PSR0.2
D
ck
Q
R
PSR0.3
D
ck
Q
R
RC.3
PM0.2
RC.2
PM0.2
RC.1
PM0.2
RC.0
PM0.2
SEF.0
SEF.3
SEF.1
SEF.2
edge
detector
edge
detector
edge
detector
edge
detector
Wake up from STOP mode
Figure 9. Architecture of Input Port RC
Output Port RE
When the MOV RE, R instruction is executed, the data in the RAM will be output to port RE and it
provides a high sink current to drive LEDs.
MFP Output Pin (MFP)
The MFP output pin can output the Timer 1 clock or the modulation frequency; the output of the pin is
determined by mode register 1 (MR1). The configuration of MFP is shown in Figure 9. When bit 2 of
MR1 is reset to "0," the MFP output can deliver a modulation output in any combination of one signal
from among DC, 4096Hz, 2048Hz, and one or more signals from among 128 Hz, 64 Hz, 8 Hz, 4 Hz, 2
Hz, or 1 Hz (when using a 32.768 KHz crystal). The MOV MFP, #I instruction is used to specify the
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