UPD78F1233GB-GAH-AX Renesas Electronics America, UPD78F1233GB-GAH-AX Datasheet - Page 834

• 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: -

832
(2) Data
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 slave device
WREL
WREL
Processing by master device
ACKD
ACKE
MSTS
ACKD
ACKE
MSTS
WTIM
WTIM
SDA0
SCL0
SPD
TRC
SPD
TRC
STD
STD
IICA
STT
SPT
IICA
STT
SPT
2. To cancel slave wait, write “FFH” to IICA or set WREL.
D0
8
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
ACK
Transmit
9
Receive
(When 9-Clock Wait Is Selected for Both Master and Slave) (2/3)
Figure 14-32. Example of Master to Slave Communication
IICA
D7
IICA
1
Note 2
←
data
←
CHAPTER 14 SERIAL INTERFACE IICA
D6
2
FFH
Note 1
D5
3
Note 2
User’s Manual U19678EJ1V1UD
D4
4
D3
5
D2
6
D1
7
D0
8
ACK
9
IICA
←
IICA
D7
data
1
Note 2
←
D6
Note 1
2
FFH
D5
3
Note 2