參數(shù)資料
型號(hào)： S1C63406F
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP128
封裝： PLASTIC, TQFP15-128
文件頁數(shù)： 80/144頁
文件大?。?/td> 1160K
代理商： S1C63406F
32
EPSON
S1C63406 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
4.5 Output Ports (R10–R13)
4.5.1 Configuration of output ports
The S1C63406 has 4 bits of general output ports.
Output specifications of the output ports can be selected individually with the mask option. Two kinds of
output specifications are available: complementary output and N-channel open drain output.
Figure 4.5.1.1 shows the configuration of the output port.
VDD
VSS
R1x
Data
bus
Address
Data
register
Mask option
Fig. 4.5.1.1 Configuration of output port
The R12 and R13 output terminals are shared with special output terminals (TOUT, FOUT), and this
function is selected by the software.
At initial reset, these are all set to the general purpose output port.
Table 4.5.1.1 shows the setting of the output terminals by function selection.
Table 4.5.1.1 Function setting of output terminals
Terminal
name
R10
R11
R12
R13
Terminal status
at initial reset
R10 (High level output)
R11 (High level output)
R12 (High level output)
R13 (High level output)
Special output
TOUT
FOUT
R10
R11
TOUT
FOUT
When using the output port (R12, R13) as the special output port, the data register must be fixed at "1".
4.5.2 Mask option
Output specifications of the output ports can be selected by mask option.
The output specifications of the output ports R10–R13 can be selected from either complementary output
or N-channel open drain output individually (in 1-bit units).
However, when N-channel open drain output is selected, do not apply a voltage exceeding the power
supply voltage to the output port.
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