UPD78F1211GB-GAF-AX Renesas Electronics America, UPD78F1211GB-GAF-AX Datasheet - Page 762
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UPD78F1211GB-GAF-AX
Manufacturer Part Number
UPD78F1211GB-GAF-AX
Description
MCU 16BIT 78K0R/LX3 44-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1211GB-GAF-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
40MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1211GB-GAF-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.1 Functions of Serial Interface IICA
760
Serial interface IICA has the following three modes.
(1) Operation stop mode
(2) I
(3) Wakeup mode
Figure 14-1 shows a block diagram of serial interface IICA.
Remark
This mode is used when serial transfers are not performed. It can therefore be used to reduce power
consumption.
This mode is used for 8-bit data transfers with several devices via two lines: a serial clock (SCL0) line and a
serial data bus (SDA0) line.
This mode complies with the I
“transfer direction specification”, “data”, and “stop condition” data to the slave device, via the serial data bus.
The slave device automatically detects these received status and data by hardware. This function can simplify
the part of application program that controls the I
Since the SCL0 and SDA0 pins are used for open drain outputs, IICA requires pull-up resistors for the serial
clock line and the serial data bus line.
The STOP mode can be released by generating an interrupt request signal (INTIICA) when an extension code
from the master device or a local address has been received while in STOP mode. This can be set by using
the WUP bit of IICA control register 1 (IICCTL1).
2
C bus mode (multimaster supported)
Serial interface IICA is only mounted in the 48-pin products of the 78K0R/IC3, 78K0R/ID3, and
78K0R/IE3.
CHAPTER 14 SERIAL INTERFACE IICA
2
C bus format and the master device can generated “start condition”, “address”,
User’s Manual U19678EJ1V1UD
2
C bus.
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