DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 657
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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19.1
The H8/3048B Group has a built-in clock pulse generator (CPG) that generates the system clock
( ) and other internal clock signals ( /2 to /4096). After duty adjustment, a frequency divider
divides the clock frequency to generate the system clock ( ). The system clock is output at the
pin *
supporting modules. Frequency division ratios of 1/1, 1/2, 1/4, and 1/8 can be selected for the
frequency divider by settings in a division control register (DIVCR). Power consumption in the
chip is reduced in almost direct proportion to the frequency division ratio *
Notes: 1. Usage of the pin differs depending on the chip operating mode and the PSTOP bit
1
and furnished as a master clock to prescalers that supply clock signals to the on-chip
2. The division ratio of the frequency divider can be changed dynamically during
Overview
setting in the module standby control register (MSTCR). For details, see section 20.7,
System Clock Output Disabling Function.
operation. The clock output at the pin also changes when the division ratio is
changed. The frequency output at the pin is shown below.
where,
= EXTAL
EXTAL: Frequency of crystal resonator or external clock signal
n:
Section 19 Clock Pulse Generator
Frequency division ratio (n = 1/1, 1/2, 1/4, or 1/8)
n
Rev. 3.00 Sep 27, 2006 page 629 of 872
Section 19 Clock Pulse Generator
2
.
REJ09B0325-0300
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