UPD78F1001GB-GAF-AX Renesas Electronics America, UPD78F1001GB-GAF-AX Datasheet - Page 797
UPD78F1001GB-GAF-AX
Manufacturer Part Number
UPD78F1001GB-GAF-AX
Description
MCU 16BIT 78K0R/KX3-L 44-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1001GB-GAF-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
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:
UPD78F1001GB-GAF-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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78K0R/Kx3-L
15.5.16 Communication operations
R01UH0106EJ0300 Rev.3.00
Oct 01, 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/Kx3-L 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/Kx3-L takes 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/Kx3-L looses in arbitration and is 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 actual
communication is performed in the communication processing, and it supports the transmission/reception with the
slave and the arbitration with other masters.
An example of when the 78K0R/Kx3-L is 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.
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
2
C bus slave is shown below.
CHAPTER 15 SERIAL INTERFACE IICA
2
C bus
797
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