HD6417020SVX12IV Renesas Electronics America, HD6417020SVX12IV Datasheet - Page 349
HD6417020SVX12IV
Manufacturer Part Number
HD6417020SVX12IV
Description
MCU 3/5V 0K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6417020SVX12IV
Core Processor
SH-1
Core Size
32-Bit
Speed
12.5MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Bit 5: TME
0
1
•
•
Bit 2:
CKS2
0
0
0
0
1
1
1
1
Note: The overflow interval listed is the time from when the TCNT begins counting at H'00 until an
12.2.3
The RSTCSR is an eight-bit readable and writable register that controls output of the reset signal
generated by timer counter (TCNT) overflow and selects the internal reset signal type. The
RSTCSR differs from other registers in that it is more difficult to write. See section 12.2.4
Register Access, for details. RSTCR is initialized to H'1F by input of a reset signal from the RES
pin, but is not initialized by the internal reset signal generated by the overflow of the WDT. It is
initialized to H'1F in standby mode.
Note: Only 0 can be written in bit 7 to clear the flag.
Bits 4 and 3 (reserved): These bits always read as 1. The write value should always be 1.
Bits 2–0 (clock Select 2–0 (CKS2–CKS0)): CKS2–CKS0 select one of eight internal clock
sources for input to the TCNT. The clock signals are obtained by dividing the frequency of the
system clock ( ).
Initial value:
overflow occurs.
Bit name:
Reset Control/Status Register (RSTCSR)
R/W:
Bit 1:
CKS1
0
0
1
1
0
0
1
1
Bit:
WOVF
R/(W)*
7
0
Description
Timer disabled: TCNT is initialized to H'00 and count-up stops (initial
value)
Timer enabled: TCNT starts counting. A WDTOVF signal or interrupt
is generated when TCNT overflows.
Bit 0:
CKS0
0
1
0
1
0
1
0
1
RSTE
R/W
6
0
Clock Source
RSTS
/2 (initial value)
/64
/128
/256
/512
/1024
/4096
/8192
R/W
5
0
—
—
4
1
Overflow Interval* ( = 20 MHz)
25.6 s
819.2 s
1.6 ms
3.3 ms
6.6 ms
13.1 ms
52.4 ms
104.9 ms
Description
—
—
3
1
—
—
2
1
—
—
RENESAS 331
1
1
—
—
0
1
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