UPD78F1001GB-GAF-AX Renesas Electronics America, UPD78F1001GB-GAF-AX Datasheet - Page 792
UPD78F1001GB-GAF-AX
Manufacturer Part Number
UPD78F1001GB-GAF-AX
Description
MCU 16BIT 78K0R/KX3-L 44-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1001GB-GAF-AX
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
33
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1001GB-GAF-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 792 of 1171
- Download datasheet (8Mb)
78K0R/Kx3-L
15.5.14 Communication reservation
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
(1) When communication reservation function is enabled (bit 0 (IICRSV) of IICA flag register (IICF) = 0)
To start master device communications when not currently using a bus, a communication reservation can be made
to enable transmission of a start condition when the bus is released. There are two modes under which the bus is
not used.
• When arbitration results in neither master nor slave operation
• When an extension code is received and slave operation is disabled (ACK is not returned and the bus was
If bit 1 (STT) of the IICCTL0 register is set to 1 while the bus is not used (after a stop condition is detected), a start
condition is automatically generated and wait state is set.
If an address is written to the IICA shift register (IICA) after bit 4 (SPIE) of the IICCTL0 register was set to 1, and it
was detected by generation of an interrupt request signal (INTIICA) that the bus was released (detection of the stop
condition), then the device automatically starts communication as the master. Data written to the IICA register
before the stop condition is detected is invalid.
When the STT bit has been set to 1, the operation mode (as start condition or as communication reservation) is
determined according to the bus status.
• If the bus has been released ........................................ a start condition is generated
• If the bus has not been released (standby mode)......... communication reservation
Check whether the communication reservation operates or not by using the MSTS bit (bit 7 of the IICA status
register (IICS)) after the STT bit is set to 1 and the wait time elapses.
Use software to secure the wait time calculated by the following expression.
released by setting bit 6 (LREL) of IICA control register 0 (IICCTL0) to 1 and saving communication).
Remark IICWL: IICA low-level width setting register
Wait time from setting STT = 1 to checking the MSTS flag:
(IICWL setting value + IICWH setting value + 4) + t
IICWH: IICA high-level width setting register
t
f
F
CLK
:
:
SDA0 and SCL0 signal falling times
CPU/peripheral hardware clock frequency
F
× 2 × f
CLK
CHAPTER 15 SERIAL INTERFACE IICA
[clocks]
792
Related parts for UPD78F1001GB-GAF-AX
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: