M38227ECFP Renesas Electronics America, M38227ECFP Datasheet - Page 42

• Manufacturer Part Number: M38227ECFP
• Description: IC 740 MCU EPROM 48K 80QFP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

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: -

Fig. 37 LCD drive waveform (1/3 bias)
I n t e r n a l l o g i c
L C D C K t i m i n g
1/4 duty
1/3 duty
1 / 2 d u t y
C O M
C O M
C O M
C O M
SEG
COM
C O M
C O M
S E G
C O M
C O M
S E G
0
0
0
0
1
2
3
0
1
2
0
1
COM
C O M
C O M
ON
ON
3
0
1
O F F
C O M
C O M
C O M
O F F
OFF
0
2
2
C O M
C O M
C O M
ON
1
1
1
O N
O N
C O M
C O M
C O M
OFF
0
0
0
COM
C O M
C O M
O F F
ON
3
2
1
O F F
C O M
C O M
C O M
OFF
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
2
1
0
ON
C O M
COM
COM
ON
MITSUBISHI MICROCOMPUTERS
0
1
1
O N
COM
C O M
C O M
O F F
OFF
0
2
0
V o l t a g e l e v e l
3822 Group
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
L3
L 2
L 1
S S
L 3
S S
L3
L2
L1
S S
L 3
SS
L3
L 2
L 1
SS
L3
S S
39