參數(shù)資料
型號： S1C88816D
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, UUC164
封裝： DIE-164
文件頁數(shù)： 173/173頁
文件大?。?/td> 1411K
代理商： S1C88816D
S1C88816 TECHNICAL MANUAL
EPSON
91
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller)
5.11.3 LCD power supply
Either the internal power supply (built-in LCD
system voltage regulator and voltage booster/
reducer) or an external power supply can be
selected by mask option to supply the LCD drive
voltages VC1 to VC5. Furthermore, mask option
allows selection of an internal power supply type
from among four types, TYPE A to TYPE D,
according to the LCD panel characteristics.
When 1/4 bias is selected, the voltage regulator
generates VC1 or VC2 (VC2 is generated when 1/5
bias is selected) and boosts and/or reduces it to
generate three other voltages. Table 5.11.3.1 lists the
VC1, VC2 (VC3 = VC2), VC4 and VC5 voltages and
their boost/reduce status. Selection of VC1 standard
or VC2 standard is a mask option. Note that the
number of externally attached parts differs
according to the selected bias (1/5 or 1/4).
LCD power supply
s
s Internal power supply TYPE A (VC2 standard, 1/5 bias, 4.5 V)
s
s Internal power supply TYPE B (VC2 standard, 1/5 bias, 5.5 V)
s
s Internal power supply TYPE C (VC2 standard, 1/4 bias, 4.5 V)
s
s Internal power supply TYPE D (VC1 standard, 1/4 bias, 4.5 V)
s
s External power supply
The internal power supply is designed for a small
scale LCD panel and is not suitable for driving a
panel that has large size pixels or for driving a large
capacity panel using an external expanded LCD
driver. In this case, select external power supply
and input the regulated voltage from outside the
IC. Figure 5.11.3.1 shows the circuit examples when
using an external power supply. Do not set the
LCD display control register (LCDC1, LCDC0) to
OFF even when an external power supply is used.
5.11.4 LCD driver
The maximum number of dots changes according
to the drive duty selection.
When 1/32 duty is selected, the combined com-
mon/segment output terminal is switched to the
common terminal. An LCD panel with 72 segments
× 32 commons (maximum 2,304 dots) can be driven.
When 1/16 duty is selected, the combined com-
mon/segment output terminal is switched to the
segment terminal. An LCD panel with 88 segments
× 16 commons (maximum 1,408 dots) can be driven.
When 1/8 duty is selected, the combined common/
segment output terminal is switched to the segment
terminal as when 1/16 duty is selected. An LCD
panel with 88 segments
× 8 commons (maximum
704 dots) can be driven. Furthermore, when 1/8
duty is selected, terminals COM8–COM15 become
invalid, in that they always output an OFF signal.
Table 5.11.4.1 shows the correspondence between
the drive duty and the maximum number of
displaying dots.
Figures 5.11.4.1 to 5.11.4.3 show the 1/5 bias drive
waveforms (using VC1–VC5).
VC5
VC4
VC3
VC2
VC1
Rxx
VSS
VIN
VC5
VC4
VC3
VC2
VC1
VSS
VIN *
*
VSS level or high impedance when LCD is not driven.
Fig. 5.11.3.1 Circuit examples when using
an external power supply
Table 5.11.4.1 Correspondence between drive duty and maximum number of displaying dots
Table 5.11.3.1 LCD drive voltage (1/4 bias)
Mask option
1/32 & 1/16 duty
1/8 duty
LDUTY
0
1
×
Duty
1/32
1/16
1/8
Common
terminal
COM0–COM31
COM0–COM15
COM0–COM7
Segment
terminal
SEG0–SEG71
SEG72–SEG87
Maximum number
of display dots
2,304 dots
1,408 dots
704 dots
LCD drive voltage
VC1 (0.975–1.2 V)
VC2 (1.950–2.4 V)
VC3 (2.925–3.6 V)
VC4 (3.900–4.8 V)
VDD=1.8–5.5 V
VC1 (reference)
2
× VC1
3
× VC1
4
× VC1
VDD=2.4–2.6 V
1/2
× VC2
(1.95–2.40)
× (VDD-0.1)/2.4
3/2
× VC2
2
× VC2
VDD=2.6–5.5 V
1/2
× VC2
VC2 (reference)
3/2
× VC2
2
× VC2
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相關代理商/技術參數(shù)
參數(shù)描述
S1C88848 制造商:EPSON 制造商全稱:EPSON 功能描述:8-bit Single Chip Microcomputer
S1C8F360D411000 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT
S1C8F360D511000 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT
S1C8F360F413100 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT
S1C8F360F513200 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT
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