M38227ECFP Renesas Electronics America, M38227ECFP Datasheet - Page 41

• 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. 36 LCD drive waveform (1/2 bias)
38
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 d u t y
1/3 duty
1 / 2 d u t y
C O M
C O M
C O M
C O M
SEG
COM
COM
COM
SEG
C O M
COM
SEG
0
0
0
0
1
2
3
0
1
2
0
1
C O M
C O M
COM
ON
O N
3
0
1
O F F
C O M
C O M
COM
OFF
OFF
2
2
0
C O M
C O M
COM
ON
1
1
1
ON
ON
C O M
C O M
C O M
O F F
0
0
0
C O M
COM
COM
OFF
ON
3
2
1
O F F
C O M
C O M
COM
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
O F F
2
1
0
ON
COM
COM
COM
MITSUBISHI MICROCOMPUTERS
O N
1
0
1
ON
C O M
COM
C O M
OFF
O F F
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
L3
L2
SS
L3
SS
L3
L2
SS
L3
SS
L3
L2
SS
L3
SS
=V
=V
=V
L1
L1
L1