HD6473834HV Renesas Electronics America, HD6473834HV Datasheet - Page 304
HD6473834HV
Manufacturer Part Number
HD6473834HV
Description
MCU 5V 32K PB-FREE 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
Specifications of HD6473834HV
Core Processor
H8/300L
Core Size
8-Bit
Speed
5MHz
Connectivity
SCI
Peripherals
LCD, PWM
Number Of I /o
71
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473834HV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Transmitting Multiprocessor Data: Figure 10.23 shows a typical flow chart for multiprocessor
serial data transmission. After SCI3 initialization, follow the procedure below.
1
2
3
Write transmit data to TDR
Set PDR = 0 and PCR = 1
Clear bit TE in SCR3 to 0
Read bit TDRE in SSR
Read bit TEND in SSR
Set bit MPBT in SSR
Figure 10.23 Typical Multiprocessor Data Transmission Flow Chart
Break output?
transmitting?
TDRE = 1?
TEND = 1?
Continue
Start
End
Yes
Yes
Yes
No
Yes
No
No
No
1.
2.
3.
Read the serial status register (SSR), and
after confirming that bit TDRE = 1, set bit
MPBT (multiprocessor bit transmit) in SSR
to 0 or 1, then write transmit data in the
transmit data register (TDR).
When data is written to TDR, TDRE is
automatically cleared to 0.
To continue transmitting data, read bit
TDRE to make sure it is set to 1, then
write the next data to TDR.
When data is written to TDR, TDRE
is automatically cleared to 0.
To output a break signal at the end of data
transmission, first set the port values
PCR = 1 and PDR = 0, then clear bit TE
in SCR3 to 0.
287
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