UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 468

• Manufacturer Part Number: UPD78F0550MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0550MA-FAA-AX

• Package / Case: *
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 10MHz
• Number Of I /o: 12
• Core Processor: 78K/0
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Program Memory Size: 4KB (4K x 8)
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Peripherals: LVD, POR, PWM, WDT
• Connectivity: I²C, LIN, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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15.4.2 Setting transfer clock by using IICWL and IICWH registers
468
(1) Setting transfer clock on master side
(2) Setting IICWL and IICWH on slave side
Remark IICWL: IICA low-level width setting register
At this time, the optimal setting values of IICWL and IICWH are as follows.
(The fractional parts of all setting values are rounded up.)
(The fractional parts of all setting values are truncated.)
When the fast mode
When the normal mode
When the fast mode
When the normal mode
Transfer clock =
IICWL =
IICWH = (
IICWL =
IICWH = (
IICWL = 1.3 s
IICWH = (1.2 s
IICWL = 4.7 s
IICWH = (5.3 s
IICWH: IICA high-level width setting register
t
t
f
F
R
PRS
:
:
:
Transfer clock
Transfer clock
Transfer clock
Transfer clock
SDAA0 and SCLA0 signal falling times
(refer to CHAPTER 28 ELECTRICAL SPECIFICATIONS (TARGET VALUES))
SDAA0 and SCLA0 signal rising times
(refer to CHAPTER 28 ELECTRICAL SPECIFICATIONS (TARGET VALUES))
Peripheral hardware clock frequency
IICWL + IICWH + f
0.52
0.47
0.48
0.53
f
f
PRS
PRS
t
t
R
R
t
t
F
F
)
)
f
CHAPTER 15 SERIAL INTERFACE IICA
PRS
f
f
PRS
PRS
f
f
t
t
Preliminary User’s Manual U19111EJ2V1UD
PRS
PRS
R
R
PRS
t
t
F
F
)
)
(t
R
f
f
+ t
PRS
PRS
F
)