M306H2MC-XXXFP Datasheet, PDF (180/210 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306H2MC-XXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
with DATA ACQUISITION CONTROLLER
Table 2.16.1 Example connection of unused pins in single-chip mode
Pin name
Connection
Ports P0 to P10
(excluding P85)
XOUT(Note)
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.
Open
NMI
Connect via register to VCC (pull-up)
AVCC
Connect to VCC
AVSS, VREF, BYTE
Connect to VSS
Note: With external clock input to XIN pin.
Table 2.16.2 Example connection of unused pins in memory expansion mode and microprocessor mode
Pin name
Ports P6 to P10
(excluding P85)
P45/CS1 to P47/CS3
Connection
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.
Sets ports to input mode, sets bits CS1 through CS3 to 0, and connects
to Vcc via resistors (pull-up).
BHE, ALE, HLDA,
XOUT(Note1), BCLK(Note2)
Open
HOLD, RDY, NMI
Connect via resistor to VCC (pull-up)
AVCC
Connect to VCC
AVSS, VREF
Connect to VSS
Note 1: With external clock input to XIN pin.
Note 2: When the BCLK output disable bit (bit 7 at address 000416) is set to “1”, connect to
VCC via a resistor (pull-up).
Microcomputer
Port P0 to P10 (except for P85)
(Input mode)
(Input mode)
(Output mode)
NMI
XOUT
AVCC
BYTE
AVSS
VREF
Open
Open
VCC
VSS
In single-chip mode
Microcomputer
Port P6 to P10 (except for P85)
(Input mode)
(Input mode)
(Output mode)
Port P45 / CS1
to P47 / CS3
NMI
BHE
HLDA
ALE
XOUT
BCLK
HOLD
RDY
CNVSS
AVCC
AVSS
VREF
In memory expamsion mode
or in microprossor mode
Open
Open
VCC
0.47µF
VSS
Note : When the BCLK output disable bit (bit7 at address 000416) is set to “1”, connet to VCC via a resistor (pull-up)
Figure 2.16.10 Example connection of unused pins
Rev. 1.0
179