R5F104FDA datasheet(95/213 Pages) RENESAS

95 / 213 page

RL78/G14

2. ELECTRICAL SPECIFICATIONS (TA = -40 to +85

°C)

R01DS0053EJ0330 Rev. 3.30

Page 95 of 208

Aug 12, 2016

Note 1.

The smaller maximum transfer rate derived by using fMCK/6 or the following expression is the valid maximum transfer rate.

Expression for calculating the transfer rate when 4.0 V

≤ EVDD0 ≤ 5.5 V and 2.7 V ≤ Vb ≤ 4.0 V

Note 2.

This value as an example is calculated when the conditions described in the “Conditions” column are met.

Refer to Note 1 above to calculate the maximum transfer rate under conditions of the customer.

Note 3.

The smaller maximum transfer rate derived by using fMCK/6 or the following expression is the valid maximum transfer

rate.

Expression for calculating the transfer rate when 2.7 V

≤ EVDD0 < 4.0 V and 2.3 V ≤ Vb ≤ 2.7 V

(6)

Communication at different potential (1.8 V, 2.5 V, 3 V) (UART mode)

(TA = -40 to +85°C, 1.6 V

≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V)

(2/2)

Parameter

Symbol

Conditions

HS (high-speed main)

mode

LS (low-speed main)

mode

LV (low-voltage main)

mode

Unit

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

Transfer

rate

transmission

4.0 V

≤ EVDD0 ≤ 5.5 V,

2.7 V

≤ Vb ≤ 4.0 V

Note 1

bps

Theoretical value of the

maximum transfer rate

Cb = 50 pF, Rb = 1.4 k

Ω,

Vb = 2.7 V

2.8 Note 2

Mbps

2.7 V

≤ EVDD0 < 4.0 V,

2.3 V

≤ Vb ≤ 2.7 V

Note 3

bps

Theoretical value of the

maximum transfer rate

Cb = 50 pF, Rb = 2.7 k

Ω,

Vb = 2.3 V

1.2 Note 4

Mbps

1.8 V

≤ EVDD0 < 3.3 V,

1.6 V

≤ Vb ≤ 2.0 V

Notes 5, 6

bps

Theoretical value of the

maximum transfer rate

Cb = 50 pF, Rb = 5.5 k

Ω,

Vb = 1.6 V

0.43 Note 7

Mbps

Maximum transfer rate =

[bps]

Baud rate error (theoretical value) =

Transfer rate

× 2

{-Cb

× Rb × In (1 -

)}

× 3

2.2

{-Cb

× Rb × In (1 -

)}

2.2

(

)

× Number of transferred bits

Transfer rate

× 100 [%]

* This value is the theoretical value of the relative difference between the transmission and reception sides.

Maximum transfer rate =

[bps]

Baud rate error (theoretical value) =

Transfer rate

× 2

{-Cb

× Rb × In (1 -

)}

× 3

2.0

{-Cb

× Rb × In (1 -

)}

2.0

(

)

× Number of transferred bits

Transfer rate

× 100 [%]

* This value is the theoretical value of the relative difference between the transmission and reception sides.

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