DF2166VT33WV Renesas Electronics America, DF2166VT33WV Datasheet - Page 390
DF2166VT33WV
Manufacturer Part Number
DF2166VT33WV
Description
MCU 16BIT FLASH 3V 512K 144-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.HS2168EPI61H-U.pdf
(876 pages)
Specifications of DF2166VT33WV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, LPC, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
106
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number:
DF2166VT33WV
Manufacturer:
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13.6
13.6.1
The watchdog timer’s registers, TCNT and TCSR differ from other registers in being more
difficult to write to. The procedures for writing to and reading from these registers are given
below.
Writing to TCNT and TCSR (Example of WDT_0):
These registers must be written to by a word transfer instruction. They cannot be written to by a
byte transfer instruction.
TCNT and TCSR both have the same write address. Therefore, satisfy the relative condition
shown in figure 13.6 to write to TCNT or TCSR. To write to TCNT, the higher bytes must contain
the value H'5A and the lower bytes must contain the write data. To write to TCSR, the higher
bytes must contain the value H'A5 and the lower bytes must contain the write data.
Reading from TCNT and TCSR (Example of WDT_0):
These registers are read in the same way as other registers. The read address is H'FFA8 for TCSR
and H'FFA9 for TCNT.
Rev. 3.00, 03/04, page 348 of 830
<TCSR write>
<TCNT write>
Usage Notes
Notes on Register Access
Address : H'FFA8
Address : H'FFA8
Figure 13.6 Writing to TCNT and TCSR (WDT_0)
15
15
H'5A
H'A5
8 7
8 7
Write data
Write data
0
0
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