M38027E8FP Renesas Electronics America, M38027E8FP Datasheet - Page 28

• 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. 20 Structure of PWM control register
Fig. 21 PWM output timing when PWM register or PWM prescaler is changed
b7
PWM output
PWM register
write signal
PWM prescaler
write signal
When the contents of the PWM register or PWM prescaler have changed, the PWM
output will change from the next period after the change.
b0
PWM control register
(PWMCON : address 002B
PWM function enable bit
Count source selection bit
Not used (return “0” when read)
0: PWM disabled
1: PWM enabled
0: f(X
1: f(X
IN
IN
)
)/2
A
T
(Changes from “A” to “B” during “H” period)
16
)
(Changes from “T” to “T2” during PWM period)
B
T
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
C
T2
B
T
=
3802 Group
T2
C
25