UPD78F1233GB-GAH-AX Renesas Electronics America, UPD78F1233GB-GAH-AX Datasheet - Page 833

• Manufacturer Part Number: UPD78F1233GB-GAH-AX
• Description: MCU 16BIT 78K0R/LX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Ix3r

Specifications of UPD78F1233GB-GAH-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: 50
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

(1) Start condition ~ address
Notes 1. Write data to IICA, not setting WREL, in order to cancel a wait state during master transmission.
INTIICA
INTIICA
Transfer lines
Processing by master device
Processing by slave 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
Start condition
2. To cancel slave wait, write “FFH” to IICA or set WREL.
H
H
H
H
L
L
L
L
L
L
(When 9-Clock Wait Is Selected for Both Master and Slave) (1/3)
Receive
IICA
AD6 AD5 AD4 AD3 AD2 AD1 AD0
Figure 14-32. Example of Master to Slave Communication
1
←
Transmit
address
2
3
CHAPTER 14 SERIAL INTERFACE IICA
4
User’s Manual U19678EJ1V1UD
5
6
7
W
8
ACK
9
IICA
IICA
D7
←
1
Note 2
data
←
D6
2
FFH
Note 1
D5
Note 2
3
D4
4
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