M37544G2AGP Renesas Electronics America, M37544G2AGP Datasheet - Page 40

• Manufacturer Part Number: M37544G2AGP
• Description: MCU 2/5V 8K 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M37544G2AGP

• 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: Contains lead / RoHS non-compliant
• Eeprom Size: -

Rev.1.04
REJ03B0012-0104Z
7544 Group
Fig. 46 Block diagram of internal clock generating circuit (for ceramic/quartz-crystal resonator)
Fig. 47 Block diagram of internal clock generating circuit (for RC oscillation)
Interrupt disable flag l
X
Interrupt disable flag l
2004.06.08
OUT
Interrupt request
Interrupt request
Q
Delay
Q
On-chip oscillator mode
On-chip oscillator
S
R
page 38 of 66
S
R
X
IN
On-chip oscillator
Reset
Reset
STP instruction
Rf
X
STP instruction
RING
IN
X
On-chip
oscillator
mode
RING
OUT
Clock division ratio selection bit
Middle-, high-, low-speed mode
Clock division ratio selection bit
Middle-, high-, low-speed mode
1/8
1/8
1/2
Double-speed mode
On-chip oscillator mode
1/2
Double-speed mode
On-chip oscillator mode
High-speed mode
instruction
High-speed mode
instruction
1/4
WIT
1/4
WIT
S
R
1/2
S
R
Clock division
ratio selection bit
Middle-speed mode
1/2
Clock division
ratio selection bit
Middle-speed mode
Q
Q
Q
Prescaler 1
Q
Prescaler 1
S
R
R
S
STP instruction
STP instruction
Timing
(Internal clock)
Timing
(Internal clock)
Timer 1
Timer 1
RESET
RESET