DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 583
DF61654N50FTV
Manufacturer Part Number
DF61654N50FTV
Description
IC H8SX/1654 MCU FLASH 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.DF61653N50FTV.pdf
(1020 pages)
Specifications of DF61654N50FTV
Core Processor
H8SX
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, PWM, WDT
Number Of I /o
75
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
120-TQFP, 120-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF61654N50FTV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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13.3
The WDT has the following three registers. To prevent accidental overwriting, TCSR, TCNT, and
RSTCSR have to be written to in a method different from normal registers. For details, see section
13.6.1, Notes on Register Access.
• Timer counter (TCNT)
• Timer control/status register (TCSR)
• Reset control/status register (RSTCSR)
13.3.1
TCNT is an 8-bit readable/writable up-counter. TCNT is initialized to H'00 when the TME bit in
TCSR is cleared to 0.
13.3.2
TCSR selects the clock source to be input to TCNT, and the timer mode.
Bit
Bit Name
Initial Value
R/W
Note:
Bit
Bit Name
Initial Value
R/W
* Only 0 can be written to this bit, to clear the flag.
Register Descriptions
Timer Counter (TCNT)
Timer Control/Status Register (TCSR)
R/(W)*
OVF
R/W
7
0
7
0
WT/IT
R/W
R/W
6
0
6
0
TME
R/W
R/W
5
0
5
0
R/W
R
4
0
4
1
R/W
R
3
0
3
1
Rev.1.00 Sep. 08, 2005 Page 533 of 966
Section 13 Watchdog Timer (WDT)
CKS2
R/W
R/W
2
0
2
0
CKS1
R/W
R/W
1
0
1
0
REJ09B0219-0100
CKS0
R/W
R/W
0
0
0
0
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