DF2170BVTE33V Renesas Electronics America, DF2170BVTE33V Datasheet - Page 323
DF2170BVTE33V
Manufacturer Part Number
DF2170BVTE33V
Description
IC H8S/2170 MCU FLASH 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2170BVTE33V.pdf
(572 pages)
Specifications of DF2170BVTE33V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
SCI, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
76
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2170BVTE33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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10.5
10.5.1
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:
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 10.6 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 before the transfer
instruction execution. 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:
These registers are read in the same way as other registers. The read address is H'FE70 for TCSR
and H'FE71 for TCNT.
<TCNT write>
<TCSR write>
Usage Notes
Notes on Register Access
Address :
Address :
H'FE70
H'FE70
Figure 10.6 Writing to TCNT and TCSR
0
0
15
15
H'5A
H'A5
8 7
8 7
Rev. 2.00, 03/04, page 289 of 534
Write data
Write data
0
0
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