UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 522
UPD78F0551MA-FAA-AX
Manufacturer Part Number
UPD78F0551MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0551MA-FAA-AX.pdf
(822 pages)
Specifications of UPD78F0551MA-FAA-AX
Core Processor
78K/0
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
9
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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- Download datasheet (6Mb)
78K0/Kx2-L
15.5.2 Addresses
master device via the bus lines. Therefore, each slave device connected via the bus lines must have a unique address.
matches the data values stored in the slave address register 0 (SVA0). If the address data matches the SVA0 register
values, the slave device is selected and communicates with the master device until the master device generates a start
condition or stop condition.
15.5.3 Transfer direction specification are written to the IICA shift register (IICA). The received addresses are written
to the IICA register.
15.5.3 Transfer direction specification
a slave device. When the transfer direction specification bit has a value of “1”, it indicates that the master device is
receiving data from a slave device.
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
The address is defined by the 7 bits of data that follow the start condition.
An address is a 7-bit data segment that is output in order to select one of the slave devices that are connected to the
The slave devices include hardware that detects the start condition and checks whether or not the 7-bit address data
Note INTIICA0 is not issued if data other than a local address or extension code is received during slave device
Addresses are output when a total of 8 bits consisting of the slave address and the transfer direction described in
The slave address is assigned to the higher 7 bits of the IICA register.
In addition to the 7-bit address data, the master device sends 1 bit that specifies the transfer direction.
When this transfer direction specification bit has a value of “0”, it indicates that the master device is transmitting data to
Note INTIICA0 is not issued if data other than a local address or extension code is received during slave device
operation.
operation.
INTIICA0
INTIICA0
SDAA0
SCLA0
SDAA0
SCLA0
Figure 15-18. Transfer Direction Specification
A6
A6
1
1
A5
A5
2
2
Figure 15-17. Address
A4
A4
3
3
Address
A3
A3
4
4
A2
A2
5
5
A1
A1
Transfer direction specification
6
6
CHAPTER 15 SERIAL INTERFACE IICA
A0
A0
7
7
R/W
R/W
8
8
9
9
Note
Note
508
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