4 POWER SUPPLY
4-8
EPSON
S1C17704 TECHNICAL MANUAL
0x50a3: LCD Voltage Regulator Control Register (LCD_VREG)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
LCD Voltage
Regulator
Control Register
(LCD_VREG)
0x50a3
(8 bits)
D7–5
–
reserved
–
–
–
0 when being read.
D4
LHVLD
LCD heavy load protection mode
1 On
0 Off
0
R/W
D3–0
–
reserved
–
–
–
0 when being read.
D[7:5] Reserved
D4
LHVLD: LCD Heavy Load Protection Mode Bit
Sets the LCD system voltage regulator into heavy load protection mode.
1 (R/W): Heavy load protection On
0 (R/W): Heavy load protection Off (default)
The LCD system voltage regulator enters heavy load protection mode by writing 1 to LHVLD and it
ensures stable V
C1
–V
C5
outputs. Use the heavy load protection function when the LCD display has
inconsistencies in density. Current consumption increases in heavy load protection mode, therefore do
not set if unnecessary.
D[3:0] Reserved
Содержание S1C17704
Страница 1: ...TECHNICAL MANUAL S1C17704 CMOS 16 BIT SINGLE CHIP MICROCOMPUTER ...
Страница 22: ...1 OVERVIEW 1 10 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 42: ...3 MEMORY MAP BUS CONTROL 3 12 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 82: ...6 INTERRUPT CONTROLLER ITC 6 26 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 108: ...8 CLOCK GENERATOR CLG 8 8 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 112: ...9 PRESCALER PSC 9 4 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 138: ...10 I O PORTS P 10 26 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 156: ...11 16 BIT TIMERS T16 11 18 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 208: ...14 8 BIT OSC1 TIMER T8OSC1 14 16 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 234: ...16 STOPWATCH TIMER SWT 16 14 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 242: ...17 WATCHDOG TIMER WDT 17 8 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 264: ...18 UART 18 22 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 300: ...20 I2C 20 20 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 320: ...21 REMOTE CONTROLLER REMC 21 20 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 360: ...24 ON CHIP DEBUGGER DBG 24 6 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...
Страница 362: ...25 BASIC EXTERNAL WIRING DIAGRAM 25 2 EPSON S1C17704 TECHNICAL MANUAL THIS PAGE IS BLANK ...