M306V2ME Datasheet, PDF (119/276 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306V2ME-XXXFP
M306V2EEFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Table 2.11.7 lists the functions of the input/output pins during UART 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 2.11.7 Input/output pin functions in UART mode
Pin name
TxDi
(P63, P70)
RxDi
(P62, P71)
CLKi
(P61, P72)
CTSi/RTSi
(P60, P73)
Function
Serial data output
Method of selection
Serial data input
Programmable I/O port
Transfer clock input
CTS input
Port P62 and P71 direction register (bit 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”
Internal/external clock select bit (bit 3 at address 03A0 16, 037816) = “1”
Port P61 and P72 direction register (bit 1 at address 03EE 16,
bit 2 at address 03EF 16) = “0”
CTS/RTS disable bit (bit 4 at address 03A4 16, 037C16) =“0”
CTS/RTS function select bit (bit 2 at address 03A4 16, 037C16) = “0”
Port P60 and P73 direction register (bit 0 at address 03EE 16,
bit 3 at address 03EF 16) = “0”
RTS output
Programmable I/O port
CTS/RTS disable bit (bit 4 at address 03A4 16, 037C16) = “0”
CTS/RTS function select bit (bit 2 at address 03A4 16, 037C16) = “1”
CTS/RTS disable bit (bit 4 at address 03A4 16, 037C16) = “1”
Rev. 1.0
119