DF2239TF16I Renesas Electronics America, DF2239TF16I Datasheet - Page 538
DF2239TF16I
Manufacturer Part Number
DF2239TF16I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of DF2239TF16I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
16MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
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
-
Other names
HD64F2239TF16I
HD64F2239TF16I
HD64F2239TF16I
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Section 13 Watchdog Timer (WDT)
13.4.4
With WDT_0 the WOVF bit in RSTCSR is set to 1 if TCNT overflows in watchdog timer mode.
If TCNT overflows while the RSTE bit in RSTCSR is set to 1, an internal is generated for the
entire chip. (The WOVI interrupt is not generated.) This timing is illustrated in figure 13.5.
13.5
During interval timer mode operation, an overflow generates an interval timer interrupt (WOVI).
The interval timer interrupt is requested whenever the OVF flag is set to 1 in TCSR. OVF must be
cleared to 0 in the interrupt handling routine.
If an NMI interrupt request has been chosen in the watchdog timer mode, an NMI interrupt request
is generated when a TCNT overflow occurs.
Table 13.2 WDT Interrupt Source
Rev. 6.00 Mar. 18, 2010 Page 476 of 982
REJ09B0054-0600
Name
WOVI
NMI
TCNT
Overflow signal
(internal signal)
WOVF
Internal reset
signal
φ
Timing of Setting Watchdog Timer Overflow Flag (WOVF)
Interrupt Sources
Interrupt Source
TCNT overflow (interval timer mode)
TCNT overflow (watchdog timer mode)
Figure 13.5 Timing of WOVF Setting
H'FF
H'00
515/516 states (WDT_1)
518 states (WDT_0)
Interrupt Flag
OVF
OVF
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