M306V2ME Datasheet, PDF (239/276 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
Port P8 direction register
b7 b6 b5 b4 b3 b2 b1 b0
1
00
Symbol
PD8
Address
03F216
When reset
00X00000 2
Bit symbol
Bit name
Function
Reserved bits
Must always be set to “0”
PD8_2
PD8_3
Port P82 direction register
Port P83 direction register
0 : Input mode
(Functions as an input port)
1 : Output mode
(Functions as an output port)
Reserved bit
Must always be set to “1”
Nothing is assigned.
In an attempt to write to this bit, write “0.”
The value, if read, turns out to be indeterminate.
PD8_6
PD8_7
Port P86 direction register
Port P87 direction register
0 : Input mode
(Functions as an input port)
1 : Output mode
(Functions as an output port)
RW
Figure 2.17.8 Port P8 direction register
Port P9 direction register
b7 b6 b5 b4 b3 b2 b1 b0
111
Symbol
PD9
Address
03F316
When reset
0016
Bit symbol
PD9_0
PD9_1
PD9_2
PD9_3
PD9_4
Bit name
Function
Port P90 direction register
Port P91 direction register
Port P92 direction register
0 : Input mode
(Functions as an input port)
1 : Output mode
(Functions as an output port)
Port P93 direction register
Port P94 direction register
RW
Reserved bits
Must always be set to “1”
Note: Set bit 2 of protect register (address 000A 16) to “1” before rewriting to
the port P9 direction register.
Figure 2.17.9 Port P9 direction register
Rev. 1.0
239