M37544G2AGP#U0 Renesas Electronics America, M37544G2AGP#U0 Datasheet - Page 19

• Manufacturer Part Number: M37544G2AGP#U0
• Description: IC 740 MCU OTP 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M37544G2AGP#U0

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SIO, UART/USART
• Peripherals: WDT
• Number Of I /o: 25
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: QzROM
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Rev.1.04
REJ03B0012-0104Z
7544 Group
Fig. 17 Block diagram of ports (1)
(1)Port P0
(3)Port P0
(5)Port P1
Data bus
Data bus
Data bus
P1
2004.06.08
1
Serial I/O enable bit
0
3
1
/T
Transmit enable bit
x
D P-channel output disable bit
Timer output
*
P1
When the TTL level is selected, there is no hysteresis characteristics.
Direction
register
Direction
register
Port latch
Port latch
Port latch
Serial I/O output
0
Direction
register
, P1
Pull-up control
CNTR
To key input interrupt
generating circuit
2
, P3
page 17 of 66
1
4
interrupt input
, and P3
Pull-up control
To key input interrupt
generating circuit
P0
output valid
7
input level are switched to the CMOS/TTL level by the port P1P3 control register.
3
/TX
OUT
P0
selection bit
0
key-on wakeup
(2)Ports P0
(4)Port P1
Data bus
Data bus
Data bus
Serial I/O enable bit
(6)Port P1
Serial I/O synchronous
Receive enable bit
Serial I/O mode selection bit
Serial I/O enable bit
clock selection bit
0
1
Serial I/O enable bit
,P0
Serial I/O clock output
2
2
,P0
Port latch
Direction
register
Port latch
Direction
register
Direction
register
Port latch
4–
Pull-up control
P0
To key input interrupt
generating circuit
Serial I/O input
7
Serial I/O clock input
P1
input level
selection bit
0
, P1
2
*
P1
input level
selection bit
0
, P1
2
*