R5F61668RD50FPV Renesas Electronics America, R5F61668RD50FPV Datasheet - Page 883
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R5F61668RD50FPV
Manufacturer Part Number
R5F61668RD50FPV
Description
MCU 3V 1024K I-TEMP 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668RN50FPV.pdf
(1506 pages)
Specifications of R5F61668RD50FPV
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
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61668RD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 883 of 1506
- Download datasheet (9Mb)
17.3
17.3.1
Either 8-bit or 24-bit counter operation can be selected for the timer counter.
Setting 1 to the TME bit in TCR32K starts the count-up operation.
A 32K timer interrupt (32KOVI) is generated by the interrupt cycle. Table 17.1 shows
relationships between the timer counter operations according to the setting of bits EXCKSN,
CKS1, and CKS0 in TCR32K and the interrupt cycles.
Table 17.1 Relationships between Counter Operations and 32KOVI Cycles
EXCKSN CKS1 CKS2
1
1
1
1
0
0
0
0
√ : in use
Setting
Operation
Basic Operation
0
0
1
1
0
0
1
1
− : not in use
0
1
0
1
0
1
0
1
Division
Ratio
Internally
SUBCK/32
SUBCK/64
SUBCK/128
SUBCK/256
SUBCK/16384 √
SUBCK/32768 √
SUBCK/16384 √
SUBCK/32768 √
Divided CLK
TCNT
32K1
√
√
√
√
Selected Counter Interrupt Cycles
TCNT
32K2
−
−
−
−
√
√
√
√
TCNT
32K3
−
−
−
−
√
√
√
√
Rev. 2.00 Sep. 24, 2008 Page 849 of 1468
Counter value
when interrupt
generates
TCNT32K1=H'FF
TCNT32K3=H'3B
TCNT32K1 to 3
=H'FFF3B
Section 17 32K Timer (TM32K)
32KOVI Cycle
250 ms
500 ms
1 s
2 s
30 s
60 s
Approx. 22.7
days
Approx. 45.5
days
REJ09B0412-0200
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