參數(shù)資料
型號: S1C60N09D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, UUC70
封裝: DIE-70
文件頁數(shù): 14/62頁
文件大?。?/td> 476K
代理商: S1C60N09D
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
S1C60N09 TECHNICAL MANUAL
EPSON
15
4.4 Output Ports (R00–R03)
4.4.1 Configuration of output port
The S1C60N09 Series has a 4-bit general output port (R00–R03).
Output specification of the output port can be selected in a bit units with the mask option. Two kinds of
output specifications are available: complementary output and Pch open drain output. Also, the mask
option enables the output ports R00, R02 and R03 to be used as special output ports. Figure 4.4.1.1 shows
the configuration of the output port.
Register
Data
bus
Address
VDD
VSS
Rxx
Complementary
Pch open drain
Mask option
Fig. 4.4.1.1 Configuration of output port
4.4.2 Mask option
The mask option enables the following output port selection.
(1) Output specification of output port
The output specifications for the output port (R00–R03) may be set to either complementary output or
Pch open drain output for each of the four bits. However, even when Pch open drain output is
selected, a voltage exceeding the source voltage must not be applied to the output port.
(2) Special output
In addition to the regular DC output, special output can be selected for output ports R00, R02 and
R03, as shown in Table 4.4.2.1. Figure 4.4.2.1 shows the structure of output ports R00–R03.
Table 4.4.2.1 Special output
Output port
R00
R03
R02
Special output
BZ output
FOUT output
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