D13007VX13V Renesas Electronics America, D13007VX13V Datasheet - Page 449
![MCU 3V 0K 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
D13007VX13V
Manufacturer Part Number
D13007VX13V
Description
MCU 3V 0K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of D13007VX13V
Core Processor
H8/300H
Core Size
16-Bit
Speed
13MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
35
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 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
-
Program Memory Size
-
- Current page: 449 of 798
- Download datasheet (5Mb)
Bit 6⎯Reset Output Enable (RSTOE): Enables or disables external output at the RESO pin of
the reset signal generated if TCNT overflows during watchdog timer operation.
Bits 5 to 0⎯Reserved: These bits cannot be modified and are always read as 1.
12.2.4
The watchdog timer's TCNT, TCSR, and RSTCSR registers differ from other registers in being
more difficult to write. The procedures for writing and reading these registers are given below.
Writing to TCNT and TCSR: These registers must be written by a word transfer instruction.
They cannot be written by byte instructions. Figure 12.2 shows the format of data written to
TCNT and TCSR. TCNT and TCSR both have the same write address. The write data must be
contained in the lower byte of the written word. The upper byte must contain H'5A (password for
TCNT) or H'A5 (password for TCSR). This transfers the write data from the lower byte to TCNT
or TCSR.
Writing to RSTCSR: RSTCSR must be written by a word transfer instruction. It cannot be
written by byte transfer instructions. Figure 12.3 shows the format of data written to RSTCSR. To
write 0 in the WRST bit, the write data must have H'A5 in the upper byte and H'00 in the lower
byte. The data (H'00) in the lower byte is written to RSTCSR, clearing the WRST bit to 0. To
write to the RSTOE bit, the upper byte must contain H'5A and the lower byte must contain the
write data. Writing this word transfers a write data value into the RSTOE bit.
Bit 6
RSTOE Description
0
1
Notes on Register Access
Reset signal is not output externally
Reset signal is output externally
TCNT write
TCSR write
Note:
Address
Address
*
Figure 12.2 Format of Data Written to TCNT and TCSR
Lower 20 bits of the address in advanced mode.
H'FFF8C *
H'FFF8C *
15
15
H'5A
H'A5
Rev.5.00 Sep. 12, 2007 Page 419 of 764
8 7
8 7
Write data
Write data
12. Watchdog Timer
REJ09B0396-0500
0
0
(Initial value)
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