HD6417727F100CV Renesas Electronics America, HD6417727F100CV Datasheet - Page 333
HD6417727F100CV
Manufacturer Part Number
HD6417727F100CV
Description
SH3-DSP, LEAD FREE
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417727BP100CV.pdf
(1098 pages)
Specifications of HD6417727F100CV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
100MHz
Connectivity
FIFO, SCI, SIO, SmartCard, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2.05 V
Data Converters
A/D 6x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
240-QFP Exposed Pad, 240-eQFP, 240-HQFP
Cpu Family
SuperH
Device Core Size
32b
Frequency (max)
100MHz
Interface Type
SCI/USB
Program Memory Size
Not Required
Total Internal Ram Size
16KB
# I/os (max)
104
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
2.05/3.6V
Operating Supply Voltage (min)
1.6/2.6V
On-chip Adc
6-chx10-bit
On-chip Dac
2-chx8-bit
Instruction Set Architecture
RISC
Operating Temp Range
-20C to 75C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
240
Package Type
HQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Compliant
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10.7.3
The watchdog timer counter (WTCNT) and watchdog timer control/status register (WTCSR) are
more difficult to write to than other registers. The procedure for writing to these registers is given
below.
Writing to WTCNT and WTCSR: These registers must be written by a word transfer
instruction. They cannot be written by a byte or longword transfer instruction. When writing to
WTCNT, set the upper byte to H'5A and transfer the lower byte as the write data, as shown in
figure 10.3. When writing to WTCSR, set the upper byte to H'A5 and transfer the lower byte as
the write data. This transfer procedure writes the lower byte data to WTCNT or WTCSR.
10.8
10.8.1
The WDT can be used to cancel standby mode with an NMI or other interrupts. The procedure is
described below. (The WDT does not run when resets are used for canceling, so keep the RESETP
pin low until the clock stabilizes.)
1. Before transitioning to standby mode, always clear the TME bit in WTCSR to 0. When the
2. Set the type of count clock used in the CKS2 to CKS0 bits in WTCSR and the initial values for
WTCNT write
WTCSR write
TME bit is 1, an erroneous reset or interval timer interrupt may be generated when the count
overflows.
the counter in the WTCNT counter. These values should ensure that the time till count
overflow is longer than the clock oscillation settling time.
Address: H'FFFFFF84
Address: H'FFFFFF86
Notes on Register Access
Using the WDT
Canceling Standby Mode
Figure 10.3 Writing to WTCNT and WTCSR
15
15
H'5A
H'A5
Rev.6.00 Mar. 27, 2009 Page 275 of 1036
Section 10 On-Chip Oscillation Circuits
8
8
7
7
Write data
Write data
REJ09B0254-0600
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