UPD78F1211MC-GAA-AX Renesas Electronics America, UPD78F1211MC-GAA-AX Datasheet - Page 837

• Manufacturer Part Number: UPD78F1211MC-GAA-AX
• Description: MCU 16BIT 78K0R/LX3 38-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Ix3r

Specifications of UPD78F1211MC-GAA-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: 27
• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

(2) Data
Processing by master device
Processing by slave device
Transfer lines
Notes 1. To cancel master wait, write “FFH” to IICA or set WREL.
INTIICA
INTIICA
WREL
WREL
ACKD
MSTS
ACKD
MSTS
WTIM
ACKE
WTIM
ACKE
SDA0
SCL0
STD
SPD
TRC
STD
SPD
TRC
IICA
SPT
IICA
SPT
STT
STT
2. Write data to IICA, not setting WREL, in order to cancel a wait state during slave transmission.
(When 8-Clock Wait Is Selected for Master, 9-Clock Wait Is Selected for Slave) (2/3)
Note 1
D0
8
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
ACK
IICA ← FFH Note 1
9
Figure 14-33. Example of Slave to Master Communication
IICA ← data
D7
1
CHAPTER 14 SERIAL INTERFACE IICA
D6
2
Transmit
Receive
User’s Manual U19678EJ1V1UD
D5
Note 2
3
D4
4
D3
5
D2
6
D1
7
Note 1
D0
8
ACK
IICA ← FFH Note 1
9
IICA ← data
D7
1
D6
2
D5
Note 2
3
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