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R01UH0336EJ0102 Rev.1.02
Page 1518 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 27 Electrical Characteristics
27.6.11
UARTHn Timing
(a)
Asynchronous Mode
(T
a
= -40 to +125°C, V
DD
= EV
DD
= OSCV
DD
= 3.0 to 5.5 V,
AV
DD0
= 4.2 to 5.5 V, V
SS
= EV
SS
= OSCV
SS
= AV
SS0
= 0 V)
Note
n = 0, 1
T = Prescaler cycle time
BRS: Setting of URTHnCTL2.URTHnBRS[11:0]
Item
Symbol
Conditions
MIN.
MAX.
Unit
UARTHn transfer rate
2
Mbps
URTHnCTS setup time
(to URTHnTXD)
t
ASCTS
Input
URTHnCTS without noise filter
3T+30
ns
URTHnCTS with noise filter
5T+30
ns
URTHnRTS output delay
time (to URTHnRXD)
t
ASRTS
Output
URTHnRXD without noise filter
(3BRS+2)T+ 30
ns
URTHnRXD with noise filter
(3BRS+4)T+ 30
ns
URTHnTXD
URTHnRXD
URTHnCTS
URTHnRTS
t
ASCTS
t
ASRTS