M16C80 Datasheet, PDF (176/358 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/80 SERIES

M16C/80 Group
20. UARTi Special Mode Register (i = 2 to 4)
"H"
SS input
"L"
Clock input
"H"
(CKPOL=0, CKPH=0) ^"L"
Clock input
"H"
(CKPOL=1, CKPH=0) _"L"
Data output timing
"H"
"L" _High-
inpedance
D0
D1
D2
D3
D4
D5
D6
Data input timing
Indeterminate
D7
High-
inpedance
Figure 20.8 The transmission and reception timing (CKPH=0) in slave mode (external clock)
"H"
SS input
"L"
Clock input
"H"
(CKPOL=0, CKPH=0) ^"L"
Clock input
"H"
(CKPOL=1, CKPH=0) _"L"
Data output timing
Data input timing
"H"
D0
"L" _High-
inpedance
D1
D2
D3
D4
D5
D6
D7
High-
inpedance
Figure 20.9 The transmission and reception timing (CKPH=1) in slave mode (external clock)
Rev.1.00 Aug. 02, 2005 ^{Page 165} of 329
REJ09B0187-0100