R5F61665N50FPV Renesas Electronics America, R5F61665N50FPV Datasheet - Page 894
R5F61665N50FPV
Manufacturer Part Number
R5F61665N50FPV
Description
MCU FLASH 512K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61665N50FPV.pdf
(1492 pages)
Specifications of R5F61665N50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
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-LQFP
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:
R5F61665N50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 18 Watchdog Timer (WDT)
(2)
These registers can be read from in the same way as other registers. For reading, TCSR is assigned
to address H'FFA4, TCNT to address H'FFA5, and RSTCSR to address H'FFA7.
18.6.2
If a TCNT clock pulse is generated during the T2 cycle of a TCNT write cycle, the write takes
priority and the timer counter is not incremented. Figure 18.5 shows this operation.
18.6.3
If bits CKS2 to CKS0 in TCSR are written to while the WDT is operating, errors could occur in
the incrementation. The watchdog timer must be stopped (by clearing the TME bit to 0) before the
values of bits CKS2 to CKS0 are changed.
18.6.4
If the timer mode is switched from watchdog timer mode to interval timer mode while the WDT is
operating, errors could occur in the incrementation. The watchdog timer must be stopped (by
clearing the TME bit to 0) before switching the timer mode.
Rev. 2.00 Oct. 21, 2009 Page 860 of 1454
REJ09B0498-0200
Reading from TCNT, TCSR, and RSTCSR
Pφ
Address
Internal write signal
TCNT input clock
TCNT
Conflict between Timer Counter (TCNT) Write and Increment
Changing Values of Bits CKS2 to CKS0
Switching between Watchdog Timer Mode and Interval Timer Mode
Figure 18.5 Conflict between TCNT Write and Increment
TCNT write cycle
T
1
N
T
2
Counter write data
M
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