M306V5ME-XXXSP Datasheet, PDF (102/263 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306V5ME-XXXSP
M306V5EESP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Table 2.11.4 lists the functions of the input/output pins during clock synchronous serial I/O mode. Note
that for a period from when the UARTi operation mode is selected to when transfer starts, the TxDi pin
outputs a “H”. (If the N-channel open-drain is selected, this pin is in floating state.)
Table 2.11.4 Input/output pin functions in clock synchronous serial I/O mode
Pin name
TxDi
(P63, P70)
RxDi
(P62, P71)
Function
Serial data output
Serial data input
CLKi
(P55, P72)
Transfer clock output
Method of selection
(Outputs dummy data when performing reception only)
Port P62 and P71 direction register (bits 2 at address 03EE 16,
bit 1 at address 03EF 16)= “0”
(Can be used as an input port when performing transmission only)
Internal/external clock select bit (bit 3 at address 03A0 16, 037816) = “0”
Port P55 and P72 direction register (bit 5 at address 03EB 16,
bit 2 at address 03EF 16) = “0”
Transfer clock input
Internal/external clock select bit (bit 3 at address 03A0 16, 037816) = “1”
Port P55 and P72 direction register (bit 5 at address 03EB 16,
bit 2 at address 03EF 16) = “0”
Rev. 1.0
101