DF36034HJV Renesas Electronics America, DF36034HJV Datasheet - Page 313
![MCU 3/5V 32K J-TEMP PB-FREE 64-Q](/photos/28/61/286103/64-bqfp__prqp0064gb-a_sml.jpg)
DF36034HJV
Manufacturer Part Number
DF36034HJV
Description
MCU 3/5V 32K J-TEMP PB-FREE 64-Q
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Specifications of DF36034HJV
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SSU
Peripherals
PWM, WDT
Number Of I /o
45
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
For Use With
R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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14.5.3
Figure 14.10 shows an example of SCI3 operation for transmission in clocked synchronous mode.
In serial transmission, the SCI3 operates as described below.
1. The SCI3 monitors the TDRE flag in SSR, and if the flag is 0, the SCI3 recognizes that data
2. The SCI3 sets the TDRE flag to 1 and starts transmission. If the TIE bit in SCR3 is set to 1 at
3. 8-bit data is sent from the TXD pin synchronized with the output clock when output clock
4. The SCI3 checks the TDRE flag at the timing for sending the MSB (bit 7).
5. If the TDRE flag is cleared to 0, data is transferred from TDR to TSR, and serial transmission
6. If the TDRE flag is set to 1, the TEND flag in SSR is set to 1, and the TDRE flag maintains the
7. The SCK3 pin is fixed high at the end of transmission.
Figure 14.11 shows a sample flow chart for serial data transmission. Even if the TDRE flag is
cleared to 0, transmission will not start while a receive error flag (OER, FER, or PER) is set to 1.
Make sure that the receive error flags are cleared to 0 before starting transmission.
TDRE
TEND
LSI
operation
User
processing
has been written to TDR, and transfers the data from TDR to TSR.
this time, a transmit data empty interrupt (TXI) is generated.
mode has been specified, and synchronized with the input clock when use of an external clock
has been specified. Serial data is transmitted sequentially from the LSB (bit 0), from the TXD
pin.
of the next frame is started.
output state of the last bit. If the TEIE bit in SCR3 is set to 1 at this time, a TEI interrupt
request is generated.
Serial
clock
Serial
data
Figure 14.10 Example of SCI3 Transmission in Clocked Synchronous Mode
Serial Data Transmission
TXI interrupt
request
generated
Bit 0
Bit 1
TDRE flag
cleared
to 0
Data written
to TDR
1 frame
TXI interrupt request generated
Bit 7
Bit 0
Section 14 Serial Communication Interface 3 (SCI3)
Bit 1
Rev. 4.00 Mar. 15, 2006 Page 279 of 556
1 frame
Bit 6
TEI interrupt request
generated
REJ09B0026-0400
Bit 7
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