M37544G2AGP Renesas Electronics America, M37544G2AGP Datasheet - Page 28

• 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. 26 Block diagram of timer 1 and timer A
Fig. 27 Block diagram of timer X
On-chip oscillator clock RING
P0
3
/TX
Port P0
direction
register
OUT
3
2004.06.08
P0
3
/TX
P1
f(X
f(X
4
OUT
/CNTR
Port P1
register
IN
IN
)/16
)/2
Port P0
P0
output valid
0
0
/CNTR
4
On-chip oscillator clock RING
direction
3
page 26 of 66
latch
f(X
1
f(X
IN
f(X
Pulse output mode
IN
)/16
)/2
IN
Timer A operation mode bit
)
Timer X count
source selection bits
CNTR
edge switch bit
CNTR
edge switch bit
f(X
Port P1
latch
f(X
0
IN
active
1
“0”
IN
“1”
)/16
active
)/2
4
Pulse width
measurement
mode
Event
counter
mode
CNTR
edge switch bit
Timer A count
stop bit
0
Timer mode
Pulse output
mode
active
Prescaler 1 latch (8)
Rising edge detected
Falling edge detected
Timer X count stop bit
“1”
“0”
Prescaler 1 (8)
Timer A (low-order) latch (8)
Timer A (low-order) (8)
Q
Q
Prescaler X latch (8)
Prescaler X (8)
Toggle flip-flop
R
Data bus
Pulse width HL
continuously
measurement mode
Data bus
Period measurement mode
T
Timer 1 latch (8)
Data bus
Timer A (high-order) latch (8)
Timer A (high-order) (8)
Timer 1 (8)
Timer X latch (8)
Timer X (8)
Pulse output mode
Timer X write control bit
Writing to timer X latch
Timer A interrupt
request bit
Timer 1 interrupt
request bit
Timer X
interrupt
request bit
CNTR
interrupt
request bit
0