M32C80 Datasheet, PDF (224/352 Pages) Renesas Technology Corp – 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES

M32C/80 Group
16. Serial I/O (Special Function)
Signal Applied to
"H"
the SS Pin
"L"
Clock Input
"H"
(CKPOL=0, CKPH=0) _"L"
Clock Input
"H"
(CKPOL=1, CKPH=0) "L"
Data Output Timing^{(1) "H"}
"L" _High-
impedance
D0
D1
D2
D3
D4
D5
D6
Data Input Timing
Indeterminate
D7
High-
impedance
NOTE:
1. P70 and P71 are ports for the N-channel open drain output and must be pulled up externally
for data output.
Figure 16.25 Transmit and Receive Timing in Slave Mode (External Clock) (CKPH=0)
"H"
Signal Applied to
"L"
the SS Pin
Clock Input
"H"
(CKPOL=0, CKPH=0) ^"L"
Clock Input
"H"
(CKPOL=1, CKPH=1) "L"
Data Output Timing^{(1) "H"}
D0
"L" _High-
impedance
Data Input Timing
D1
D2
D3
D4
D5
D6
D7
High-
impedance
NOTE:
1. P70 and P71 are ports for the N-channel open drain output and must be pulled up externally
for data output.
Figure 16.26 Transmit and Receive Timing in Slave Mode (External Clock) (CKPH=1)
Rev. 1.00 Nov. 01, 2005 Page 205 of 330
REJ09B0271-0100