UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 571

• Manufacturer Part Number: UPD78F0551MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0551MA-FAA-AX

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 9
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0/Kx2-L
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
(2) Data
Notes 1. Write data to IICA, not setting WREL0, in order to cancel a wait state during master transmission.
INTIICA0
INTIICA0
WREL0
WREL0
ACKD0
MSTS0
ACKD0
MSTS0
WTIM0
ACKE0
SDAA0
WTIM0
ACKE0
SCLA0
Processing by slave device
Transfer lines
Processing by master device
SPD0
TRC0
SPD0
TRC0
STD0
SPT0
STD0
SPT0
STT0
STT0
2. To cancel slave wait, write “FFH” to IICA or set WREL0.
IICA
IICA
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 15-33. Example of Master to Slave Communication
IICA
IICA
D7
1
Note 2
data Note 1
D6
2
FFH Note 2
D5
3
D4
4
D3
5
D2
6
D1
7
D0
8
CHAPTER 15 SERIAL INTERFACE IICA
ACK
9
IICA
IICA
D7
data Note 1
Note 2
1
D6
2
FFH Note 2
D5
3
557