UPD78F1211GB-GAF-AX Renesas Electronics America, UPD78F1211GB-GAF-AX Datasheet - Page 835

• Manufacturer Part Number: UPD78F1211GB-GAF-AX
• Description: MCU 16BIT 78K0R/LX3 44-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Ix3r

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: -

(3) Stop condition
Notes 1. Write data to IICA, not setting WREL, in order to cancel a wait state during master transmission.
INTIICA
INTIICA
Processing by slave device
Transfer lines
Processing by master device
WREL
WREL
ACKD
MSTS
ACKD
MSTS
ACKE
ACKE
WTIM
SDA0
WTIM
SCL0
SPD
TRC
SPD
TRC
IICA
STD
SPT
IICA
STD
SPT
STT
STT
2. To cancel slave wait, write “FFH” to IICA or set WREL.
H
H
H
H
L
L
L
L
L
Transmit
Receive
IICA
(When 9-Clock Wait Is Selected for Both Master and Slave) (3/3)
IICA
D7
Note 2
1
Figure 14-32. Example of Master to Slave Communication
←
←
D6
data Note 1
2
FFH Note 2
D5
3
CHAPTER 14 SERIAL INTERFACE IICA
D4
4
D3
User’s Manual U19678EJ1V1UD
5
D2
6
D1
7
D0
8
ACK
9
Note 2
IICA
condition
←
Stop
FFH Note 2
(When SPIE = 1)
condition
(When SPIE = 1)
Start
IICA
AD6
1
←
AD5
address
2
833