M30622 Mitsubishi, M30622 Datasheet - Page 170

• Manufacturer Part Number: M30622
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

Programmable I/O Port
Table 1.23.1. Example connection of unused pins in single-chip mode
Table 1.23.2. Example connection of unused pins in memory expansion mode and microprocessor mode
Figure 1.23.9. Example connection of unused pins
Note 1: In M30623(80-pin package), P1, P4
Note 2: With external clock input to X
Note 1: In M30623(80-pin package), P7
Note 2: With external clock input to X
Note 3: The M16C/62T group is not guaranteed to operate in memory expansion and microprocessor modes.
X
NMI
AV
Ports P0 to P10
(excluding P8
AV
Ports P6 to P10
(excluding P8
P4
BHE, ALE, HLDA,
X
HOLD, RDY, NMI
AV
AV
OUT
OUT
CC
SS
5
SS
CC
/ CS1 to P4
Tentative Specifications REV.A
Note 1: In M30623(80-pin package), P7
Note 2: The M16C/62T group is not guaranteed to operate in memory expansion and microprocessor modes.
Note 3: When the wiring between NMI and V
, V
Port P0 to P10 (except for P8
(Note 2)
(Note 2), BCLK
, V
In single-chip mode
but exist inside microcomputer. So set these ports for output mode.
microcomputer. So set these ports for output mode.
S
REF
REF
Microcomputer
pecifications in this manual are tentative and subject to change.
Pin name
Pin name
, BYTE
microcomputer. So set these ports for output mode.
5
5
) (Note 1)
) (Note 1)
7
(Output mode)
(Input mode)
(Input mode)
/ CS3
·
·
·
BYTE
AV
X
AV
V
NMI
OUT
REF
CC
SS
5
)
Open
Open
Open
Connect via resistor to V
Connect to V
After setting for input mode, connect every pin to V
resistor; or after setting for output mode, leave these pins open.
Connect to V
Connect via resistor to V
Connect to V
Connect to V
After setting for input mode, connect every pin to V
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).
Open
· ·
·
IN
IN
V
2
pin.
pin.
CC
to P7
2
to P7
4
V
to P4
CC
SS
5
5
, P9
, P9
is long, pull-up via resistor.
SS
CC
CC
SS
7
1
1
, P7
170
are not connected to external pin, but exist inside
are not connected to external pin, but exist inside
2
In memory expansion mode or
in microprocessor mode
to P7
Port P4
to P4
Port P6 to P10 (except for P8
CC
CC
Microcomputer
7
/ CS3
5
5
(pull-up)
(pull-up)
, and P9
/ CS1
Connection
Connection
(Output mode)
(Input mode)
(Input mode)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
1
·
·
·
HLDA
HOLD
BCLK
AV
AV
are not connected to external pin,
X
V
RDY
BHE
ALE
NMI
OUT
REF
CC
SS
5
)
Open
Mitsubishi microcomputers
Open
SS
· ·
·
SS
V
M16C / 62T Group
or V
CC
or V
CC
CC
V
SS
via a
via a