Renesas RL78/G1D User Manual

RL78/G13 CHAPTER 29 ELECTRICAL SPECIFICATIONS
R01UH0146EJ0100 Rev.1.00 1016
Sep 22, 2011
Caution The pins mounted depend on the product. Refer to 2.1.1 20-pin products to 2.1.14 128-pin products,
and 2.1.15 Pins for each product (pins other than port pins).
(6) Communication at different potential (2.5 V, 3 V) (UART mode) (dedicated baud rate generator output) (2/2)
(T
A = −40 to +85°C, 1.8 V ≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Notes
1, 2
bps 4.0 V ≤ EVDD0 ≤ 5.5 V,
2.7 V ≤ V
b ≤ 4.0 V
Theoretical value of the
maximum transfer rate
C
b = 50 pF, R b = 1.4 k Ω , V b = 2.7 V
2.8
Note 3
Mbps
Notes
2, 4
bps 2.7 V ≤ EVDD0 < 4.0 V,
2.3 V ≤ V
b ≤ 2.7 V
Theoretical value of the
maximum transfer rate
C
b = 50 pF, R b = 2.7 k Ω , V b = 2.3 V
1.2
Note 5
Mbps
Notes
2, 6, 7
bps
Transfer rate transmission
1.8 V ≤ EVDD0 < 3.3 V,
1.6 V ≤ V
b ≤ 2.0 V
Theoretical value of the
maximum transfer rate
C
b = 50 pF, R b = 5.5 k Ω , V b = 1.6 V
0.43
Note 8
Mbps
Notes 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 ≤ EV
DD0 ≤ 5.5 V and 2.7 V ≤ Vb ≤ 4.0 V
1
Maximum transfer rate =
[bps]
{−C
b × Rb × ln (1 −
2.2
Vb
)} × 3
1
Transfer rate × 2
− {−Cb × Rb × ln (1 −
2.2
Vb
)}
Baud rate error (theoretical value) = × 100 [%]
(
1
Transfer rate
) × Number of transferred bits
* This value is the theoretical value of the relative difference between the transmission and reception sides.
2. Transfer rate in the SNOOZE mode : MAX. 9600 bps, MIN. 4800 bps
3. 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.
4. The smaller maximum transfer rate derived by using f
MCK/6 or the following expression is the valid maximum
transfer rate.
Expression for calculating the transfer rate when 2.7 V ≤ EV
DD0 < 4.0 V and 2.3 V ≤ Vb ≤ 2.7 V
1
Maximum transfer rate =
{−C
b × Rb × ln (1 −
2.0
Vb
)} × 3
[bps]
1
Transfer rate × 2
− {−Cb × Rb × ln (1 −
2.0
Vb
)}
Baud rate error (theoretical value) = × 100 [%]
(
1
Transfer rate
) × Number of transferred bits
* This value is the theoretical value of the relative difference between the transmission and reception sides.
5. This value as an example is calculated when the conditions described in the “Conditions” column are met.
Refer to Note 4 above to calculate the maximum transfer rate under conditions of the customer.
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Renesas RL78/G1D Specifications

General

Brand	Renesas
Model	RL78/G1D
Category	Computer Hardware
Language	English