參數(shù)資料
型號(hào): S1C60N04D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 2 MHz, MICROCONTROLLER, UUC48
封裝: DIE-48
文件頁(yè)數(shù): 11/50頁(yè)
文件大?。?/td> 372K
代理商: S1C60N04D
S1C60N04 TECHNICAL MANUAL
EPSON
13
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
4.4 Output Ports (R00–R03)
4.4.1 Configuration of output port
The S1C60N04 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 and R01 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
R0x
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 either complementary output or Pch
open drain output for each bit. 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 and R01, 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
R01
Special output
FOUT or BUZZER output
BUZZER output
Register R03
Data
bus
R03
Register R02
R02
Register R01
R01
R00
BUZZER
FOUT
Register R00
Address 0F3H
Mask option
Fig. 4.4.2.1 Structure of output ports R00–R03
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