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參數(shù)資料
| 型號(hào)： | S1C63455D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4.1 MHz, MICROCONTROLLER, UUC105 |
| 封裝： | DIE-105 |
| 文件頁(yè)數(shù)： | 25/119頁(yè) |
| 文件大?。?/td> | 865K |
| 代理商： | S1C63455D |
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S1C63455 TECHNICAL MANUAL
EPSON
5
CHAPTER 1: OUTLINE
1.5 Mask Option
Mask options shown below are provided for the S1C63455. Several hardware specifications are prepared
in each mask option, and one of them can be selected according to the application. The function option
generator winfog, that has been prepared as the development software tool of S1C63455, is used for this
selection. Mask pattern of the IC is finally generated based on the data created by the winfog. Refer to the
"S5U1C63000A Manual" for the winfog.
<Functions selectable with S1C63455 mask options>
(1) External reset by simultaneous LOW input to the input port (K00–K03)
This function resets the IC when several keys are pressed simultaneously. The mask option is used to
select whether this function is used or not. Further when the function is used, a combination of the
input ports (K00–K03), which are connected to the keys to be pressed simultaneously, can be selected.
Refer to Section 2.2.2, "Simultaneous low input to terminals K00–K03", for details.
(2) Time authorize circuit for the simultaneous LOW input reset function
When using the external reset function (shown in 1 above), using the time authorize circuit or not can
be selected by the mask option. The reset function works only when the input time of simultaneous
LOW is more than the rule time if the time authorize circuit is being used.
Refer to Section 2.2.2, "Simultaneous low input to terminals K00–K03", for details.
(3) Input port pull-up resistor
The mask option is used to select whether the pull-up resistor is supplemented to the input ports or
not. It is possible to select for each bit of the input ports.
Refer to Section 4.4.3, "Mask option", for details.
(4) Output specification of the output port
Either complementary output or N-channel open drain output can be selected as the output specifica-
tion for the output ports R00–R03. The selection is done in 1-bit units.
Refer to Section 4.5.2, "Mask option", for details.
(5) Input specification / output specification / pull-up resistor of the I/O ports
For the output specification when the I/O ports (P00–P03, P10–P13) are in the output mode, either
complementary output or N-channel open drain output can be selected.
Further, whether or not the pull-up resistors working in the input mode are supplemented can be
selected. The selection is done in 4-bit units (P00–P03 and P10–P13).
When using the I/O port P10–P13 as the serial interface input/output terminals, the input specifica-
tion for the terminals that are used for the serial interface input can be selected from either "normal
input" or "with Schmitt trigger input". This option is applied to the serial interface input terminals,
and is fixed at "normal input" when the terminals are used for the I/O port P10–P13.
Refer to Section 4.6.2, "Mask option", for details.
(6) Synchronous clock polarity in the serial interface
The polarity of the synchronous clock SCLK and the SRDY signal in slave mode of the serial interface
is selected by the mask option. Either positive polarity or negative polarity can be selected.
Refer to Section 4.11.2, "Mask option", for details.
(7) Buzzer output specification of the sound generator
It is possible to select the polarity of the buzzer signal output from the BZ terminal. Select either
positive polarity or negative polarity according to the external drive transistor to be used.
Refer to Section 4.12.2, "Mask option", for details.
(8) OSC1 oscillation circuit
Either crystal oscillation circuit or CR oscillation circuit can be selected as the OSC1 oscillation circuit.
Refer to Section 4.3.2, "OSC1 oscillation circuit", for details.
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