DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 509
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
-
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Manufacturer
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Price
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Part Number:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
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13.3
13.3.1
The SCI has an asynchronous mode in which characters are synchronized individually, and a
synchronous mode in which communication is synchronized with clock pulses. Serial
communication is possible in either mode. Asynchronous or synchronous mode and the
communication format are selected in SMR, as shown in table 13.8. The SCI clock source is
selected by the C/A bit in SMR and the CKE1 and CKE0 bits in SCR, as shown in table 13.9.
Asynchronous Mode:
Synchronous Mode:
Data length is selectable: 7 or 8 bits.
Parity and multiprocessor bits are selectable. So is the stop bit length (1 or 2 bits). These
selections determine the communication format and character length.
In receiving, it is possible to detect framing errors, parity errors, overrun errors, and the break
state.
An internal or external clock can be selected as the SCI clock source.
The communication format has a fixed 8-bit data length.
In receiving, it is possible to detect overrun errors.
An internal or external clock can be selected as the SCI clock source.
When an internal clock is selected, the SCI operates using the on-chip baud rate generator,
and can output a serial clock signal with a frequency matching the bit rate.
When an external clock is selected, the external clock input must have a frequency 16 times
the bit rate. (The on-chip baud rate generator is not used.)
When an internal clock is selected, the SCI operates using the on-chip baud rate generator,
and outputs a serial clock signal to external devices.
When an external clock is selected, the SCI operates on the input serial clock. The on-chip
baud rate generator is not used.
Operation
Overview
Section 13 Serial Communication Interface
Rev. 3.00 Sep 27, 2006 page 481 of 872
REJ09B0325-0300
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