DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 479
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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12.3.4
The WRST bit in RSTCSR is valid when bits WT/IT and TME are both set to 1 in TCSR.
Figure 12.7 shows the timing of setting of WRST and the internal reset timing. The WRST bit is
set to 1 when TCNT overflows and OVF is set to 1. At the same time an internal reset signal is
generated for the entire chip. This internal reset signal clears OVF to 0, but the WRST bit remains
set to 1. The reset routine must therefore clear the WRST bit.
TCNT
Overflow signal
OVF
WDT internal
reset
WRST
Timing of Setting of Watchdog Timer Reset Bit (WRST)
Figure 12.7 Timing of Setting of WRST Bit and Internal Reset
H'FF
H'00
Rev. 3.00 Sep 27, 2006 page 451 of 872
Section 12 Watchdog Timer
REJ09B0325-0300
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