UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 444

• 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: -

14.4.4 Calculation of baud rate
(1) Baud rate calculation expression
444
The baud rate can be calculated by the following expression.
f
k:
XCLK6
Baud rate =
Notes 1.
: Frequency of base clock selected by TPS63 to TPS60 bits of CKSR6 register
TPS63
Value set by MDL67 to MDL60 bits of BRGC6 register (k = 4, 5, 6, ..., 255)
0
0
0
0
0
0
0
0
1
1
1
1
2.
f
2
If the peripheral hardware clock (f
the f
Note the following points when selecting the TM50 output as the base clock.
It is not necessary to enable (TOE50 = 1) TO50 output in any mode.
XCLK6
V
V
Mode in which the count clock is cleared and started upon a match of TM50 and CR50
(TMC506 = 0)
Start the operation of 8-bit timer/event counter 50 first and then enable the timer F/F inversion
operation (TMC501 = 1).
PWM mode (TMC506 = 1)
Start the operation of 8-bit timer/event counter 50 first and then set the count clock to make the
duty = 50%.
k
DD
DD
TPS62
PRS
[bps]
Other than above
0
0
0
0
1
1
1
1
0
0
0
0
= 2.7 to 5.5 V: f
= 1.8 to 2.7 V: f
operating frequency varies depending on the supply voltage.
TPS61
Table 14-4. Set Value of TPS63 to TPS60
CHAPTER 14 SERIAL INTERFACE UART6
0
0
1
1
0
0
1
1
0
0
1
1
Preliminary User’s Manual U19111EJ2V1UD
PRS
PRS
10 MHz
5 MHz
TPS60
0
1
0
1
0
1
0
1
0
1
0
1
PRS
) operates on the high-speed system clock (f
f
f
f
f
f
f
f
f
f
f
f
TM50 output
Setting prohibited
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
2
3
4
5
6
7
8
9
10
2 MHz
1 MHz
500 kHz
250 kHz
125 kHz
62.5 kHz
31.25 kHz
15.625 kHz
7.813 kHz
3.906 kHz
1.953 kHz
f
PRS
Base Clock (f
Note 2
= 2 MHz
5 MHz
2.5 MHz
1.25 MHz
625 kHz
312.5 kHz
156.25 kHz
78.13 kHz
39.06 kHz
19.53 kHz
9.77 kHz
4.88 kHz
XCLK6
f
PRS
) Selection
= 5 MHz
Note 1
625 kHz
10 MHz
5 MHz
2.5 MHz
1.25 MHz
312.5 kHz
156.25 kHz
78.13 kHz
39.06 kHz
19.53 kHz
9.77 kHz
f
PRS
= 10 MHz
XH
) (XSEL = 1),