參數(shù)資料
型號: S1C60N02D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, UUC52
封裝: DIE-52
文件頁數(shù): 30/102頁
文件大?。?/td> 674K
代理商: S1C60N02D
S1C60N02 TECHNICAL MANUAL
EPSON
25
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
Output port data (0F3H)
Sets the output data for the output ports.
When "1" is written:
High output
When "0" is written:
Low output
Reading:
Valid
The output port pins output the data written to the corre-
sponding registers (R00–R03) without changing it. When "1"
is written to the register, the output port pin goes high
(VDD), and when "0" is written, the output port pin goes low
(VSS). After an initial reset, all registers are set to "0".
R00–R03
Table 4.4.3 Control bits of output ports
Control of output
ports
Table 4.4.3 lists the output port control bits and their ad-
dresses.
*
1 Initial value following initial reset
*
2 Not set in the circuit
*
3 Undefined
*
4 Reset (0) immediately after being read
*
5 Always "0" when being read
*
6 Refer to main manual
Address
Comment
Register
D3
D2
D1
D0
Name
Init
1
0
*1
0F3H
R00
FOUT
R03
R02
R01
BUZZER
R00
FOUT
0
Output port data R03
Output port data R02
Output port data R01
Buzzer On/Off control register
Output port data R00
Frequency output control register
High
On
High
On
Low
Off
Low
Off
R01
BUZZER
R02
R03
R/W
0FDH
XFOUT0
R/W
XBZR
0
XFOUT1
XFOUT0
0
Buzzer frequency control
FOUT frequency control
2 kHz
4 kHz
XFOUT1
0
R
XBZR
R/W
*5
*6
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