HD6473937RXV Renesas Electronics America, HD6473937RXV Datasheet - Page 311
HD6473937RXV
Manufacturer Part Number
HD6473937RXV
Description
MCU 3/5V 60K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheet
1.HD6473937RXV.pdf
(523 pages)
Specifications of HD6473937RXV
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
59
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Manufacturer
Quantity
Price
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Part Number:
HD6473937RXV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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SCI3 operates as follows when transmitting data.
SCI3 monitors bit TDRE in SSR, and when it is cleared to 0, recognizes that data has been written
to TDR and transfers data from TDR to TSR. It then sets bit TDRE to 1 and starts transmitting. If
bit TIE in SCR3 is set to 1 at this time, a TXI request is made.
When clock output mode is selected, SCI3 outputs 8 serial clock pulses. When an external clock
is selected, data is output in synchronization with the input clock.
Serial data is transmitted from the TXD3x pin in order from the LSB (bit 0) to the MSB (bit 7).
When the MSB (bit 7) is sent, checks bit TDRE. If bit TDRE is cleared to 0, SCI3 transfers data
from TDR to TSR, and starts transmission of the next frame. If bit TDRE is set to 1, SCI3 sets bit
TEND to 1 in SSR, and after sending the MSB (bit 7), retains the MSB state. If bit TEIE in SCR3
is set to 1 at this time, a TEI request is made.
After transmission ends, the SCK pin is fixed at the high level.
Note: Transmission is not possible if an error flag (OER, FER, or PER) that indicates the data
Figure 10-14 shows an example of the operation when transmitting in synchronous mode.
TDRE
TEND
LSI
operation
User
processing
Serial
clock
Serial
data
Figure 10-14 Example of Operation when Transmitting in Synchronous Mode
reception status is set to 1. Check that these error flags are all cleared to 0 before a
transmit operation.
TXI request
Bit 0
Bit 1
TDRE cleared
to 0
Data written
to TDR
1 frame
TXI request
Bit 7
Bit 0
Bit 1
1 frame
Bit 6
TEI request
Bit 7
297
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