M30622 Mitsubishi, M30622 Datasheet - Page 166

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

Programmable I/O Port
Figure 1.23.5. Direction register
Port Pi direction register (Note 1)
Port P8 direction register
b7
b7
b6
Tentative Specifications REV.A
b6
S
b5
b5
pecifications in this manual are tentative and subject to change.
b4
b4
b3
b3
b2
b2
b1
b1
b0
b0
Note 1: Set bit 2 of protect register (address 000A
Note 2: In M30623(80-pin package), P1, P4
PDi_0
PDi_2
PDi_4
PD8_1
PD8_2
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
PDi_1
PDi_7
PD8_0
PD8_3
PD8_4
PDi_3
PDi_5
PDi_6
Bit symbol
Bit symbol
PDi (i = 0 to 10, except 8)
Symbol
PD8
the port P9 direction register.
not connected to external pin, But exist inside microcomputer. So set
these ports for output mode.
Symbol
Port P8
Port P8
Port P8
Port P8
Port Pi
Port Pi
Port Pi
Port Pi
Port P8
Port P8
Port P8
Port Pi
Port Pi
Port Pi
Port Pi
0
2
4
1
3
5
6
7
1
2
6
7
0
3
4
Bit name
direction register
direction register
direction register
direction register
Bit name
direction register
direction register
direction register
direction register
direction register
direction register
direction register
direction register
direction register
direction register
direction register
166
Address
03F2
03E2
03EB
16
16
16
, 03E3
0 : Input mode
1 : Output mode
0 : Input mode
1 : Output mode
, 03EE
0 : Input mode
1 : Output mode
(Functions as an input port)
(Functions as an output port)
(Functions as an input port)
(Functions as an output port)
(Functions as an input port)
(Functions as an output port)
(i = 0 to 10 except 8)
4
to P4
16
16
, 03E6
, 03EF
Address
16
7
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Function
Function
, P7
) to “1” before rewriting to
16
16
2
, 03E7
to P7
, 03F3
When reset
00X00000
5
16
, and P9
16
, 03EA
, 03F6
Mitsubishi microcomputers
M16C / 62T Group
1
R
R
16
16
2
are
W
W
When reset
00
16