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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)： | 84/135頁 |
| 文件大小： | 1053K |
| 代理商： | S1C63466F |
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44
EPSON
S1C63466 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (I/O Ports)
Table 4.6.6.1(b) Control bits of I/O ports
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
FF61H
EXLCDC ALOFF
ALON
LPAGE
R/W
EXLCDC
ALOFF
ALON
LPAGE
0
1
0
Enable
All Off
All On
F100-F177
Disable
Normal
F000-F077
Expanded LCD driver signal control
LCD all OFF control
LCD all ON control
Display memory area selection (when 1/8 duty is selected)
functions as a general-purpose register when 1/16, 1/17 duty is selected
FF70H
0
SCTRG
ESIF
RR/W
0 3
SCTRG
ESIF
– 2
0
Trigger
Run
SIF
Invalid
Stop
I/O
Unused
Serial I/F clock trigger (writing)
Serial I/F clock status (reading)
Serial I/F enable (P1 port function selection)
*1 Initial value at initial reset
*2 Not set in the circuit
*3 Constantly "0" when being read
(1) Selection of port function
EXLCDC: Expanded LCD driver signal control register (FF61HD3)
Sets P22 and P23 to the CL signal and the FR signal output ports.
When "1" is written: CL/FR signal output
When "0" is written: I/O port
Reading: Valid
When setting P22 to the CL (LCD synchronous signal) output and P23 to the FR (LCD frame signal)
output, write "1" to this register and when they are used as I/O ports, write "0".
The CL and FR signals are output from the P22 terminal and P23 terminal immediately after the functions
are switched by the EXLCDC register. In this case, the control registers for P22 and P23 can be used as
general purpose registers that do not affect the output.
At initial reset, this register is set to "0".
ESIF: Serial interface enable register (FF70HD0)
Selects function for P10–P13.
When "1" is written: Serial interface input/output port
When "0" is written: I/O port
Reading: Valid
When using the serial interface, write "1" to this register and when P10–P13 are used as the I/O port,
write "0". The configuration of the terminals within P10–P13 that are used for the serial interface is
decided by the mode selected with the SCS1 and SCS0 registers (see Section 4.11).
In the slave mode, all the P10–P13 ports are set to the serial interface input/output port. In the master
mode, P10–P12 are set to the serial interface input/output port and P13 can be used as the I/O port.
At initial reset, this register is set to "0".
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