HD6417032F20V Renesas Electronics America, HD6417032F20V Datasheet - Page 128
HD6417032F20V
Manufacturer Part Number
HD6417032F20V
Description
SH1 ROMLESS LEAD FREE
Manufacturer
Renesas Electronics America
Series
SuperH® SH7030r
Datasheet
1.HD6417034AFI20.pdf
(689 pages)
Specifications of HD6417032F20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417032F20V
Manufacturer:
TI
Quantity:
201
- Current page: 128 of 689
- Download datasheet (5Mb)
Section 7 Clock Pulse Generator (CPG)
7.3
Board Design: When designing the board, place the crystal resonator and its load capacitors as
close as possible to the XTAL and EXTAL pins. Route no other signal lines near the XTAL and
EXTAL pin signal lines to prevent induction from interfering with correct oscillation. See figure
7.6.
Duty Cycle Correction Circuit: Duty cycle corrections are conducted for an input clock over 5
MHz. Duty cycles may not be corrected for a clock of under 5 MHz, but AC characteristics for the
high-level pulse width (t
will operate normally. Figure 7.7 shows the standard characteristics of duty cycle correction. This
duty cycle correction circuit is not for correcting transient fluctuations and jitter in the input clock.
Thus, it takes several tens of microseconds to obtain a stable clock after duty cycle correction is
performed.
Rev. 7.00 Jan 31, 2006 page 100 of 658
REJ09B0272-0700
Usage Notes
Figure 7.6 Precaution on Oscillator Circuit Board Design
CH
) and low-level pulse width (t
C
C
L1
L2
No crossing
signal lines
CL
) of the clock are satisfied, and the chip
XTAL
EXTAL
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