HD64F7047F50V Renesas Electronics America, HD64F7047F50V Datasheet - Page 406
HD64F7047F50V
Manufacturer Part Number
HD64F7047F50V
Description
IC H8 MCU FLASH 256K 100TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7047r
Specifications of HD64F7047F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Package
100PQFP
Family Name
SuperH
Maximum Speed
50 MHz
Operating Supply Voltage
5 V
Data Bus Width
32 Bit
Number Of Programmable I/os
53
Interface Type
CAN/SCI
On-chip Adc
16-chx10-bit
Number Of Timers
7
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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12.5.1
Figure 12.11 shows a sample flowchart for multiprocessor serial data transmission. For an ID
transmission cycle, set the MPBT bit in SSR to 1 before transmission. For a data transmission
cycle, clear the MPBT bit in SSR to 0 before transmission. All other SCI operations are the same
as those in asynchronous mode.
Rev. 2.00, 09/04, page 364 of 720
Multiprocessor Serial Data Transmission
Write transmit data to TDR and
as an output port with the PFC
Figure 12.11 Sample Multiprocessor Serial Transmission Flowchart
Clear TE bit in SCR to 0;
Read TDRE flag in SSR
Read TEND flag in SSR
Clear TDRE flag to 0
set MPBT bit in SSR
All data transmitted?
Start transmission
select the TxD pin
Break output?
Clear DR to 0
Initialization
TDRE = 1
TEND = 1
<End>
Yes
Yes
Yes
Yes
No
No
No
No
[1]
[2]
[3]
[4]
[1] SCI initialization:
[2] SCI status check and transmit
[3] Serial transmission continuation
[4] Break output at the end of serial
Set the TxD pin using the PFC.
After the TE bit is set to 1, 1 is
output for one frame, and
transmission is enabled.
However, data is not transmitted.
data write:
Read SSR and check that the
TDRE flag is set to 1, then write
transmit data to TDR. Set the
MPBT bit in SSR to 0 or 1.
Finally, clear the TDRE flag to 0.
procedure:
To continue serial transmission,
be sure to read 1 from the TDRE
flag to confirm that writing is
possible, then write data to TDR,
and then clear the TDRE flag to
0. Checking and clearing of the
TDRE flag is automatic when the
DTC is activated by a transmit
data empty interrupt (TXI)
request, and data is written to
TDR.
transmission:
To output a break in serial
transmission, first clear the port
data register (DR) to 0, then
clear the TE bit to 0 in SCR and
use the PFC to select the TxD
pin as an output port.
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