HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 493
HD64F7144F50V
Manufacturer Part Number
HD64F7144F50V
Description
IC SUPERH MCU FLASH 256K 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Specifications of HD64F7144F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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13.6.4
Figure 13.18 shows an example of SCI operation for reception in clocked synchronous mode. In
serial reception, the SCI operates as described below.
1. The SCI performs internal initialization in synchronization with a synchronization clock input
2. If an overrun error (when reception of the next data is completed while the RDRF flag is still
3. If reception finishes successfully, the RDRF bit in SSR is set to 1, and receive data is
or output, starts receiving data, and stores the received data in RSR.
set to 1) occurs, the ORER bit in SSR is set to 1. If the RIE bit in SCR is set to 1 at this time,
an ERI interrupt request is generated. Receive data is not transferred to RDR. The RDRF flag
remains to be set to 1.
transferred to RDR. If the RIE bit in SCR is set to 1 at this time, an RXI interrupt request is
generated. Because the RXI interrupt processing routine reads the receive data transferred to
RDR before reception of the next receive data has finished, continuous reception can be
enabled.
Synchroniza-
tion clock
Serial data
RDRF
ORER
Serial Data Reception (Clocked Synchronous Mode)
Figure 13.18 Example of SCI Operation in Reception
RXI interrupt
request
generated
Bit 7
Bit 0
RDR data read and
RDRF flag cleared
to 0 in RXI interrupt
processing routine
1 frame
Bit 7
Bit 0
RXI interrupt
request
generated
13. Serial Communication Interface (SCI)
Rev.4.00 Mar. 27, 2008 Page 447 of 882
Bit 1
Bit 6
ERI interrupt
request generated
by overrun error
Bit 7
REJ09B0108-0400
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