HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 355
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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12.3.4
In the interval timer mode, when the TCNT overflows the OVF flag is set to 1 and an interval
timer interrupt is requested (figure 12.6).
12.3.5
When the TCNT overflows the WOVF bit of the RSTCSR is set to 1 and a WDTOVF signal is
output. When the RSTE bit is set to 1, TCNT overflow enables an internal reset signal to be
generated for the entire chip (figure 12.7).
Overflow signal
(internal signal)
Overflow signal
(internal signal)
Timing of Setting the Overflow Flag (OVF)
Timing of Setting the Watchdog Timer Overflow Flag (WOVF)
WOVF
TCNT
CK
Figure 12.7 Timing of Setting the WOVF Bit and Internal Reset
TCNT
OVF
CK
Figure 12.6 Timing of Setting the OVF
H'FF
H'FF
H'00
H'00
RENESAS 337
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