M38227ECFP Renesas Electronics America, M38227ECFP Datasheet - Page 22

• 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. 15 Port block diagram (1)
Data bus
Data bus
(5) Port P4
(1) Ports P0, P1
(3) Ports P3
Note: Bit 0 of direction register.
Segment output enable bit
output control bit
Segment output enable bit
1
Direction register
4
Direction register
–P3
Port latch
Port latch
7
Pull-down control
(Note)
Segment output enable bit
V
V
L1
L2
Data bus
/V
/V
V
V
SS
L3
L2
L1
/V
/V
Pull-down control
SS
L3
Pull-up control
Data bus
(4) Port P4
(2) Ports P2, P4
(6) Port P4
Serial I/O enable bit
Data bus
Receive enable bit
Key input (Key-on wake-up) interrupt input
0
Direction register
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
4
Port latch
2
Direction register
, P4
Data bus
Port latch
MITSUBISHI MICROCOMPUTERS
3
INT
, P5
0
–INT
0
, P5
3
interrupt input
1
Serial I/O input
Pull-up control
Pull-up control
3822 Group
19