Input/Output Pins - Renesas H8S/2100 Series Hardware Manual

21.2

Input/Output Pins

Table 21.1 shows the input/output pins of the FSI.
Table 21.1 Pin Configuration
Pin Name
FSI slave select
FSI clock
FSI master data input
FSI master data output
For details on the input/output pins of the LPC interface, see section 20.2, Input/Output Pins.
Table 21.2 shows the initial state of the FSI input/output pins when the FSIE bit in the FSICR1
register is set to 1.
Table 21.2 Initial State of FSI Pins (when FSIE = 1)
Pin Name
FSI slave select
FSI clock
FSI master data input
FSI master data output
Symbol I/O
FSISS Output
FSICK Output
FSIDI Input
FSIDO Output
Symbol Pin State When FSIE is Set to 1
FSISS Outputs high level.
FSICK Outputs high level or low level depending on CPHS and
CPOS.
FSIDI Inputs data.
FSIDO Outputs high level.
Function
FSI slave select signal
FSI clock signal
FSI data input signal
FSI address/direction/data output signal
Rev. 1.00 Apr. 28, 2008 Page 683 of 994
Section 21 FSI Interface
REJ09B0452-0100