r8a66171dd Renesas Electronics Corporation., r8a66171dd Datasheet - Page 18

• Manufacturer Part Number: r8a66171dd
• Description: A2rt Advanced Asynchronous Receiver & Transmitter
• Manufacturer: Renesas Electronics Corporation.

R8A66171DD/SP
Write control cycle (MCU→R8A66171)
Read control cycle (R8A66171→MCU)
REJ03F269-0100 Rev.1.00 Feb.19.2008
Page 18 of 22
CS
C/D
WR
D0~D7
INT
RTS, P0, P1
CS
C/D
RD
D0~D7
50%
50%
50%
50%
tsu(A-/W)
tsu(A-/W)
tsu(A-/R)
tsu(A-/R)
50%
50%
50%
t
PZL
,t
t
W
t
PZH
W
tsu(DQ-/W)
(/W)
(/R)
(/R-DQ)
Valid data
t
t
PLH
PLH,tPHL
Valid data
th(/W-A)
th(/W-A)
t
th(/W-DQ)
PLZ
th(/R-A)
th(/R-A)
50%
50%
,
t
,t
PHL
PHZ
(/W-/INT)
(/W-/RTS,P0,P1)
(/R-DQ)
50%
50%
50%
50%
50%
50%
50%
V
0V
V
0V
V
0V
V
0V
V
V
V
V
V
0V
V
0V
V
0V
V
V
CC
CC
CC
CC
OH
OL
OH
OL
CC
CC
CC
OH
OL