UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 622
UPD78F1506GF-GAT-AX
Manufacturer Part Number
UPD78F1506GF-GAT-AX
Description
MCU 16BIT 78K0R/LX3 128-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Lx3r
Datasheet
1.UPD78F1500GK-GAK-AX.pdf
(1016 pages)
Specifications of UPD78F1506GF-GAT-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LCD, LVD, POR, PWM, WDT
Number Of I /o
78
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 622 of 1016
- Download datasheet (7Mb)
78K0R/Lx3
15.5.16 Communication operations
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
The following shows three operation procedures with the flowchart.
(1) Master operation in single master system
(2) Master operation in multimaster system
(3) Slave operation
The flowchart when using the 78K0R/Lx3 microcontrollers as the master in a single master system is shown below.
This flowchart is broadly divided into the initial settings and communication processing. Execute the initial settings
at startup.
communication processing.
In the I
specifications when the bus takes part in a communication. Here, when data and clock are at a high level for a
certain period (1 frame), the 78K0R/Lx3 microcontrollers take part in a communication with bus released state.
This flowchart is broadly divided into the initial settings, communication waiting, and communication processing.
The processing when the 78K0R/Lx3 microcontrollers loose in arbitration and are specified as the slave is omitted
here, and only the processing as the master is shown. Execute the initial settings at startup to take part in a
communication. Then, wait for the communication request as the master or wait for the specification as the slave.
The
transmission/reception with the slave and the arbitration with other masters.
An example of when the 78K0R/Lx3 microcontrollers are used as the I
When used as the slave, operation is started by an interrupt. Execute the initial settings at startup, then wait for the
INTIICA interrupt occurrence (communication waiting). When an INTIICA interrupt occurs, the communication
status is judged and its result is passed as a flag over to the main processing.
By checking the flags, necessary communication processing is performed.
actual
2
C bus multimaster system, whether the bus is released or used cannot be judged by the I
If communication with the slave is required, prepare the communication and then execute
communication
is
performed
in
the
communication
CHAPTER 15 SERIAL INTERFACE IICA
2
C bus slave is shown below.
processing,
and
it
supports
2
C bus
622
the
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