HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 516
HD64F3048BF25
Manufacturer Part Number
HD64F3048BF25
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.DF3048BF25V.pdf
(903 pages)
Specifications of HD64F3048BF25
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
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)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD64F3048BF25
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD64F3048BF25V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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Section 13 Serial Communication Interface
In transmitting serial data, the SCI operates as follows.
1. The SCI monitors the TDRE flag in SSR. When the TDRE flag is cleared to 0 the SCI
2. After loading the data from TDR into TSR, the SCI sets the TDRE flag to 1 and starts
3. The SCI checks the TDRE flag when it outputs the stop bit. If the TDRE flag is 0, the SCI
Figure 13.6 shows an example of SCI transmit operation in asynchronous mode.
Rev. 3.00 Sep 27, 2006 page 488 of 872
REJ09B0325-0300
recognizes that TDR contains new data, and loads this data from TDR into TSR.
transmitting. If the TIE bit is set to 1 in SCR, the SCI requests a transmit-data-empty interrupt
(TXI) at this time.
Serial transmit data is transmitted in the following order from the TxD pin:
a. Start bit: One 0 bit is output.
b. Transmit data: 7 or 8 bits are output, LSB first.
c. Parity bit or multiprocessor bit: One parity bit (even or odd parity) or one multiprocessor
d. Stop bit: One or two 1 bits (stop bits) are output.
e. Mark state: Output of 1 bits continues until the start bit of the next transmit data.
loads new data from TDR into TSR, outputs the stop bit, then begins serial transmission of the
next frame. If the TDRE flag is 1, the SCI sets the TEND flag to 1 in SSR, outputs the stop bit,
then continues output of 1 bits in the mark state. If the TEIE bit is set to 1 in SCR, a transmit-
end interrupt (TEI) is requested at this time.
TDRE
TEND
bit is output. Formats in which neither a parity bit nor a multiprocessor bit is output can
also be selected.
Figure 13.6 Example of SCI Transmit Operation in Asynchronous Mode
1
TXI
interrupt
request
Start
bit
0
TXI interrupt handler
writes data in TDR and
clears TDRE flag to 0
D0
(8-Bit Data with Parity and 1 Stop Bit)
D1
1 frame
Data
D7
Parity
bit
0/1
Stop
bit
TXI
interrupt
request
1
Start
bit
0
D0
D1
Data
D7
TEI interrupt request
Parity
bit
0/1
Stop
bit
1
Idle (mark)
state
1
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