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參數資料
型號: W741C201
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT Microcontroller(多次可編程4位的微控制器)
中文描述: 4-BIT, MROM, 4.19 MHz, MICROCONTROLLER, PDIP18
封裝: 0.300 INCH, PLASTIC, DIP-18
文件頁數: 19/84頁
文件大小: 486K
代理商: W741C201
Preliminary W741C20X
Publication Release Date: March 1998
- 19 -
Revision A3
Bit 0 = 1 Signal change at RC.0
Bit 1 = 1 Signal change at RC.1
Bit 2 = 1 Signal change at RC.2
Bit 3 = 1 Signal change at RC.3
Reset
MOV PEF, #I
CLR PSR0
HCF.2
INT 2
Reset
CLR EVF, #I
EVF.2
HEF.2
IEF.2
dSignal
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
RC.2
RC.1
RC.0
SEF.0
SEF.3
SEF.1
SEF.2
edge
detector
edge
detector
edge
detector
edge
detector
Wake up from STOP mode
PM4.3
PM4.2
PM4.1
PM4.0
PM4.3
PM4.2
PM4.1
PM4.0
MOVA R, RC
Figure 10. Input Architecture of Ports RC
Output Port RE
Output port RE can be used as an output of the internal RT port, or as a serial input/output port. The
control flow is shown in Figure 8. When bit 1 of port mode 3 register (PM3) equals to 0, port RE works
as an output of internal port RT. When the MOV RE, R instruction is executed, the data in the RAM
will be output to port RT through port RE. When RE works as a parallel output port, it provides a high
sink current to drive LEDs. When bit 1 of PM3 equals to 1, the RE port works as a serial input/output
port, and RE.0 to RE.3 are used as DOUT, CLKO, DIN, and CLKI, respectively. In this case, the DIN
pin will has a built-in pull-high resistor. The serial I/O functions are controlled by the instructions SOP
R and SIP R. The functions of the two instructions are described below:
相關PDF資料
PDF描述
W741C202 4-BIT Microcontroller(多次可編程4位的微控制器)
W741C203 4-BIT Microcontroller(多次可編程4位的微控制器)
W741C204 4-BIT Microcontroller(多次可編程4位的微控制器)
W741C205 4-BIT Microcontroller(多次可編程4位的微控制器)
W741C20X 4-BIT MICROCONTROLLER
相關代理商/技術參數
參數描述
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W741E201 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT FLASH MICROCONTROLLER