UPD70F3201YGC-YEU-A Renesas Electronics America, UPD70F3201YGC-YEU-A Datasheet - Page 367
UPD70F3201YGC-YEU-A
Manufacturer Part Number
UPD70F3201YGC-YEU-A
Description
MCU 32BIT I2C 100TQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Sx2r
Datasheet
1.UPD70F3201YGC-YEU-A.pdf
(555 pages)
Specifications of UPD70F3201YGC-YEU-A
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
68
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 2.7 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
External
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:
UPD70F3201YGC-YEU-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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15.5 I
The transfer timing for the “start condition”, “data”, and “stop condition” output via the I
shown below.
The following section describes the I
The master device outputs the start condition, slave address, and stop condition.
The acknowledge signal (ACK) can be output by either the master or slave device (normally, it is output by the
device that receives 8-bit data).
The serial clock (SCL) is continuously output by the master device. However, in the slave device, SCL’s low-level
period can be extended and a wait can be inserted.
(1) Start condition
2
A start condition is met when the SCL pin is at high level and the SDA pin changes from high level to low level.
The start conditions for the SCL pin and SDA pin are signals that the master device outputs to the slave device
when starting a serial transfer. The slave device includes hardware for detecting start conditions.
A start condition is output when bit 1 (STT) of the IIC control register (IICC) is set to 1 after a stop condition
has been detected (SPD: Bit 0 = 1 in IIC status register (IICS)). When a start condition is detected, bit 1 (STD)
of IICS is set to 1.
C Bus Definitions and Control Methods
SDA
SCL
Start
condition
Address
1 to 7
Figure 15-6. I
R/W
8
SDA
SCL
2
C bus’s serial data communication format and the signals used by the I
ACK
9
Figure 15-7. Start Conditions
H
User’s Manual U15905EJ2V1UD
CHAPTER 15 I
2
C Bus Serial Data Transfer Timing
1 to 7
Data
8
2
C BUS
ACK
9
1 to 7
Data
8
ACK
2
C bus’s serial data bus is
9
Stop
condition
2
C bus.
365
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