M38227ECFP Renesas Electronics America, M38227ECFP Datasheet - Page 40
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M38227ECFP
Manufacturer Part Number
M38227ECFP
Description
IC 740 MCU EPROM 48K 80QFP
Manufacturer
Renesas Electronics America
Series
740/38000r
Datasheet
1.M38227ECFP.pdf
(82 pages)
Specifications of M38227ECFP
Core Processor
740
Core Size
8-Bit
Speed
8MHz
Connectivity
SIO, UART/USART
Peripherals
LCD
Number Of I /o
49
Program Memory Size
48KB (48K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M38227ECFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
M38227ECFP
Manufacturer:
MIT
Quantity:
20 000
Company:
Part Number:
M38227ECFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
M38227ECFP#U0
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
LCD Display RAM
Address 0040
play. When “1” are written to these addresses, the corresponding
segments of the LCD display panel are turned on.
Fig. 35 LCD display RAM map
16
to 004F
16
is the designated RAM for the LCD dis-
A d d r e s s
0 0 4 0
0 0 4 1
0 0 4 2
0 0 4 3
0 0 4 4
0 0 4 5
0 0 4 6
0 0 4 7
0 0 4 8
0 0 4 9
0 0 4 A
0 0 4 B
0 0 4 C
0 0 4 D
0 0 4 E
0 0 4 F
B i t
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
1 6
C O M
7
3
C O M
6
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G
2
COM
1
3
5
7
9
1 1
1 3
1 5
1 7
1 9
2 1
2 3
2 5
2 7
2 9
3 1
5
1
C O M
4
LCD Drive Timing
The LCDCK timing frequency (LCD drive timing) is generated in-
ternally and the frame frequency can be determined with the
following equation;
0
f(LCDCK) =
Frame frequency =
COM
3
3
C O M
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
2
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
2
(frequency of count source for LCDCK)
COM
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
1
(divider division ratio for LCD)
MITSUBISHI MICROCOMPUTERS
1
(duty ratio)
C O M
f(LCDCK)
0
0
3822 Group
37