M38027E8FP Renesas Electronics America, M38027E8FP Datasheet - Page 20

• Manufacturer Part Number: M38027E8FP
• Description: MCU 8-Bit 740 CISC 32KB EPROM 5V 64-Pin PQFP
• Manufacturer: Renesas Electronics America

Specifications of M38027E8FP

• Package: 64PQFP
• Family Name: 740
• Maximum Speed: 8 MHz
• Ram Size: 1 KB
• Program Memory Size: 32 KB
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• On-chip Adc: 8-chx8-bit
• On-chip Dac: 2-chx8-bit
• Operating Temperature: -20 to 85 °C
• Number Of Timers: 4

Fig. 9 Block diagram of timer X, timer Y, timer 1, and timer 2
P5
P5
4
5
direction register
direction register
/CNTR
/CNTR
Port P5
Port P5
Oscillator
0
1
f(X
pin
pin
IN
4
5
)
CNTR
edge switch bit
CNTR
edge switch bit
Pulse output
mode
Pulse output
mode
“0”
“1”
“0”
“1”
Divider
0
1
1/16
Port P5
latch
Port P5
latch
active
active
4
5
Pulse width
measurement
mode
Pulse width
measurement
mode
CNTR
edge switch
bit
CNTR
edge switch
bit
Event
counter
mode
Event
counter
mode
0
1
active
active
Prescaler 12 (8)
12 latch (8)
“1”
“0”
“1”
“0”
Prescaler
Timer mode
Pulse output
mode
Timer mode
Pulse output
mode
Timer X count stop bit
Timer Y count stop bit
Q
Q
Q
Q
Toggle flip- flop
Toggle flip- flop
Prescaler X latch (8)
Prescaler Y latch (8)
R
R
Prescaler X (8)
Prescaler Y (8)
Data bus
Data bus
Timer 1 latch (8)
Timer 1 (8)
T
T
Data bus
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Timer X latch write pulse
Pulse output mode
Timer Y latch write pulse
Pulse output mode
Timer X latch (8)
Timer Y latch (8)
MITSUBISHI MICROCOMPUTERS
Timer 2 latch (8)
Timer X (8)
Timer Y (8)
Timer 2 (8)
3802 Group
To timer X interrupt
request bit
To timer Y interrupt
request bit
To timer 2 interrupt
request bit
To CNTR
request bit
To CNTR
request bit
To timer 1 interrupt
request bit
0
1
interrupt
interrupt
17