HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 336
HD6473837H
Manufacturer Part Number
HD6473837H
Description
IC H8 MCU OTP 60K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
Specifications of HD6473837H
Core Processor
H8/300L
Core Size
8-Bit
Speed
5MHz
Connectivity
SCI
Peripherals
LCD, PWM
Number Of I /o
84
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Software Settings
Large-panel display
Because of the large impedance of the built-in resistive voltage divider, the H8/3834 Series
LCD controller/driver is not well suited to driving large-panel displays. If use of a large panel
leads to an unclear display, refer to 13.3.5 Boosting the LCD Driver Power Supply. At static
and 1/2 duty it is possible to boost the common output driving capacity. Set bit CMX to 1
when selecting the duty cycle. In this mode, at static duty pins COM
waveform, while at 1/2 duty pins COM
COM
Segment expansion
The HD66100 can be connected externally to expand the number of segments. See 13.3.3,
Connection to HD66100.
Duty cycle selection
The duty cycle is selected in bits DTS1 and DTS0, with a choice of static, 1/2, 1/3, or 1/4 duty.
Segment driver selection
The segment drivers to be used are selected in bits SGS3 to SGS0.
Frame frequency selection
The frame frequency is selected in bits CKS3 to CKS0. The frame frequency should be
selected depending on the specification of the LCD panel to be used. Refer to 13.3.4,
Operation in Power-Down Modes, for information on clock selection in watch mode, subactive
mode, and subsleep mode.
4
and COM
Figure 13.2 LCD Driver Power Supply Processing at 1/2 Duty
3
output the COM
2
waveform.
2
and COM
V
V
CC
SS
V1
V2
V3
1
output the COM
4
1
waveform and pins
to COM
1
output the same
319
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