UPD78F1142AF1-AN1-A Renesas Electronics America, UPD78F1142AF1-AN1-A Datasheet - Page 503
UPD78F1142AF1-AN1-A
Manufacturer Part Number
UPD78F1142AF1-AN1-A
Description
MCU 16BIT 78K0R/KX3 64-FBGA
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1142AF1-AN1-A
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1142AF1-AN1-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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12.5.9 Interrupt request (INTIIC0) generation timing and wait control
and the corresponding wait control, as shown in Table 12-4.
The setting of bit 3 (WTIM0) of IIC control register 0 (IICC0) determines the timing by which INTIIC0 is generated
WTIM0
Notes 1. The slave device’s INTIIC0 signal and wait period occurs at the falling edge of the ninth clock only when
Remark
(1) During address transmission/reception
(2) During data reception
(3) During data transmission
(4) Wait cancellation method
(5) Stop condition detection
0
1
• Slave device operation:
• Master device operation: Interrupt and wait timing occur at the falling edge of the ninth clock regardless of
• Master/slave device operation: Interrupt and wait timing are determined according to the WTIM0 bit.
• Master/slave device operation: Interrupt and wait timing are determined according to the WTIM0 bit.
The four wait cancellation methods are as follows.
• Writing data to IIC shift register 0 (IIC0)
• Setting bit 5 (WREL0) of IIC control register 0 (IICC0) (canceling wait)
• Setting bit 1 (STT0) of IIC0 register (generating start condition)
• Setting bit 0 (SPT0) of IIC0 register (generating stop condition)
When an 8-clock wait has been selected (WTIM0 = 0), the presence/absence of ACK generation must be
determined prior to wait cancellation.
INTIIC0 is generated when a stop condition is detected (only when SPIE0 = 1).
Note Master only.
2. If the received address does not match the contents of slave address register 0 (SVA0) and extension
there is a match with the address set to slave address register 0 (SVA0).
At this point, ACK is generated regardless of the value set to IICC0’s bit 2 (ACKE0). For a slave device
that has received an extension code, INTIIC0 occurs at the falling edge of the eighth clock.
However, if the address does not match after restart, INTIIC0 is generated at the falling edge of the 9th
clock, but wait does not occur.
code is not received, neither INTIIC0 nor a wait occurs.
The numbers in the table indicate the number of the serial clock’s clock signals. Interrupt requests and
wait control are both synchronized with the falling edge of these clock signals.
Address
9
9
Notes 1, 2
Notes 1, 2
During Slave Device Operation
Table 12-4. INTIIC0 Generation Timing and Wait Control
Data Reception
Interrupt and wait timing are determined depending on the conditions described in
Notes 1 and 2 above, regardless of the WTIM0 bit.
the WTIM0 bit.
8
9
Note 2
Note 2
CHAPTER 12 SERIAL INTERFACE IIC0
User’s Manual U17854EJ9V0UD
Data Transmission
8
9
Note 2
Note 2
Address
Note
Note
9
9
During Master Device Operation
Data Reception
8
9
Data Transmission
8
9
501
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