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參數(shù)資料
| 型號： | S1C63466F |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | PLASTIC, QFP8-144 |
| 文件頁數(shù)： | 77/135頁 |
| 文件大?。?/td> | 1053K |
| 代理商： | S1C63466F |
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38
EPSON
S1C63466 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
R00–R03: R0 output port data register (FF31H)
R10–R13: R1 output port data register (FF33H)
R20–R23: R2 output port data register (FF35H)
Set the output data for the output ports.
When "1" is written: High level output
When "0" is written: Low level output
Reading: Valid
The output port terminals output the data written in the corresponding data registers without changing
it. When "1" is written to the register, the output port terminal goes high (VDD), and when "0" is written,
the output port terminal goes low (VSS).
When the output ports R02 and R03 are used for special output (TOUT, FOUT), fix the R02 register and
the R03 register at "1".
At initial reset, these registers are all set to "1".
FOUTE: FOUT output control register (FF06HD3)
Controls the FOUT output.
When "1" is written: FOUT output ON
When "0" is written: FOUT output OFF
Reading: Valid
By writing "1" to the FOUTE register when the R03 register has been set to "1" and the R03HIZ register
has been set to "0", an FOUT signal is output from the R03 terminal. When "0" is written, the R03 terminal
goes high (VDD).
When using the R03 output port for DC output, fix this register at "0".
At initial reset, this register is set to "0".
FOFQ0, FOFQ1: FOUT frequency selection register (FF06HD0, D1)
Selects a frequency of the FOUT signal.
Table 4.5.5.2 FOUT clock frequency
FOFQ1
1
0
FOFQ0
1
0
1
0
Clock frequency
fOSC3
fOSC1
× 1/8
fOSC1
× 1/64
At initial reset, this register is set to "0".
PTOUT: TOUT output control register (FFC1HD2)
Controls the TOUT output.
When "1" is written: TOUT output ON
When "0" is written: TOUT output OFF
Reading: Valid
By writing "1" to the PTOUT register when the R02 register has been set to "1" and the R02HIZ register
has been set to "0", the TOUT signal is output from the R02 terminal. When "0" is written, the R02 termi-
nal goes high (VDD).
When using the R02 output port for DC output, fix this register at "0".
At initial reset, this register is set to "0".
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