HD6417020SVX12I Renesas Electronics America, HD6417020SVX12I Datasheet - Page 452
HD6417020SVX12I
Manufacturer Part Number
HD6417020SVX12I
Description
IC SUPERH MPU ROMLESS 100TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6417020SVX12I
Core Processor
SH-1
Core Size
32-Bit
Speed
12.5MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Price
Part Number:
HD6417020SVX12I
Manufacturer:
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Quantity:
20 000
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Part Number:
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18.4.3
In this example, the standby mode is entered on the falling edge of the NMI signal and canceled
on the rising edge of the NMI signal. Figure 18.1 shows the timing.
After an NMI interrupt is accepted (high goes to low) while the NMI edge select bit NMIE in the
interrupt control register ICR is cleared to 0 to select detection of the falling edge, the NMI
exception service routine sets the NMIE to 1 (selecting detection of the rising edge) and sets the
SBY bit to 1. Finally, it executes a SLEEP instruction to enter the standby mode.
The standby mode is canceled on the rising edge of the NMI signal.
Oscillator
SSBY
NMIE
NMI
CK
Standby Mode Application
Figure 18.1 NMI Timing for the Standby Mode (Example)
processing
exception
NMI
instruction
Exception
SBY = 1
SLEEP
service
routine
Standby
mode
Oscillation
Clock setting time
start
time
Time
WDT
set
in
RENESAS 439
processing
exception
NMI
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