M306V2ME Datasheet, PDF (244/276 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 2.17.1 Example connection of unused pins in single-chip mode
Pin name
Connection
Ports P0 to P10
After setting for input mode, connect every pin to VSS or VCC via a
resistor; or after setting for output mode, leave these pins open.
XOUT (Note)
Open
AVCC
Connect to VCC
BYTE
Connect to VSS
CNVSS
Connect via resistor to VSS (pull-down)
Note: With external clock input to XIN pin.
Table 2.17.2 Example connection of unused pins in memory expansion mode and microprocessor
mode
Pin name
Connection
Ports P6 to P10
After setting for input mode, connect every pin to VSS or VCC via a
resistor; or after setting for output mode, leave these pins open.
P45/CS1 to P47/CS3
Sets ports to input mode, sets bits CS1 through CS3 to “0,” and
connects to Vcc via resistors (pull-up).
BHE, ALE, HLDA,
XOUT(Note), BCLK
Open
HOLD, RDY
Connect via resistor to VCC (pull-up)
AVCC
Connect to VCC
CNVSS
Connect via resistor to VSS (pull-down) in the memory expansion mode.
Connect via resistor to VCC (pull-up) in the microprocessor mode.
Note: With external clock input to XIN pin.
Microcomputer
Port P0 to P10
(Input mode)
·
·
·
(Input mode)
(Output mode)
XOUT
AVCC
BYTE
·
·
·
Open
Open
VCC
0.47 µF
CNVSS
VSS
In single-chip mode
Figure 2.17.18 Example connection of unused pins
244
Microcomputer
Port P6 to P10
(Input mode)
·
·
·
(Input mode)
(Output mode)
Port P45/CS1
to P47/CS3
BHE
HLDA
ALE
XOUT
BCLK
HOLD
RDY
CNVSS (microprocessor mode)
AVCC
·
·
·
Open
Open
VCC
0.47 µF
CNVSS (memory expansion mode)
VSS
In memory expansion mode or
in microprocessor mode
Rev. 1.0