UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 621
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: 621 of 1016
- Download datasheet (7Mb)
78K0R/Lx3
15.5.15 Cautions
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
(1) When STCEN = 0
(2) When STCEN = 1
(3) If other I
(4) Setting STT and SPT (bits 1 and 0 of IICCTL0) again after they are set and before they are cleared to 0 is
(5) When transmission is reserved, set SPIE (bit 4 of IICTL0) to 1 so that an interrupt request is generated when the
Immediately after I
regardless of the actual bus status. When changing from a mode in which no stop condition has been detected to a
master device communication mode, first generate a stop condition to release the bus, then perform master device
communication.
When using multiple masters, it is not possible to perform master device communication when the bus has not
been released (when a stop condition has not been detected).
Use the following sequence for generating a stop condition.
<1> Set IICA control register 1 (IICCTL1).
<2> Set bit 7 (IICE) of IICA control register 0 (IICCTL0) to 1.
<3> Set bit 0 (SPT) of IICCTL0 to 1.
Immediately after I
regardless of the actual bus status. To generate the first start condition (STT = 1), it is necessary to confirm that
the bus has been released, so as to not disturb other communications.
If I
low and the SCL0 pin is high, the macro of I
condition). If the value on the bus at this time can be recognized as an extension code, ACK is returned, but this
interferes with other I
<1> Clear bit 4 (SPIE) of IICCTL0 to 0 to disable generation of an interrupt request signal (INTIICA) when the stop
<2> Set bit 7 (IICE) of IICCTL0 to 1 to enable the operation of I
<3> Wait for detection of the start condition.
<4> Set bit 6 (LREL) of IICCTL0 to 1 before ACK is returned (4 to 80 clocks after setting IICE to 1), to forcibly
prohibited.
stop condition is detected. Transfer is started when communication data is written to IICA after the interrupt request
is generated. Unless the interrupt is generated when the stop condition is detected, the device stops in the wait
state because the interrupt request is not generated when communication is started. However, it is not necessary
to set SPIE to 1 when MSTS (bit 7 of IICS) is detected by software.
2
C operation is enabled and the device participates in communication already in progress when the SDA0 pin is
condition is detected.
disable detection.
2
C communications are already in progress
2
C operation is enabled (IICE = 1), the bus communication status (IICBSY = 1) is recognized
2
C operation is enabled (IICE = 1), the bus released status (IICBSY = 0) is recognized
2
C communications. To avoid this, start I
2
C recognizes that the SDA0 pin has gone low (detects a start
2
C in the following sequence.
2
C.
CHAPTER 15 SERIAL INTERFACE IICA
621
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