m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 113

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

TIMER A
7.2 Block description
7-10
Fig. 7.2.7 Relationship between port P4 and port P2 direction registers and timer Ai’s I/O pins
Notes 1: This applies when the TB0
Port P2 direction register (Address 8
Port P4 direction register (Address C
Notes 1: Each of bits 0 to 7 becomes “0” by an input of the falling edge to pin P4OUT
Bit
Bit
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
2: This applies when the TB1
3: This applies when the TB2
2: The pins in ( ) are I/O pins of other internal peripheral devices, which are multiplexed.
INT
Pin TA4
Pin TA4
Pin TA9
Pin TA9
Pin TB0
Pin TB1
Pin TB2
Pin P2
Pin TA5
Pin TA5
Pin TA6
Pin TA6
Pin TA7
Pin TA7
Pin TA8
Pin TA8
0
.”)
Corresponding pin
Corresponding pin
7
OUT
IN
OUT
IN
IN
IN
IN
OUT
IN
OUT
IN
IN
IN
OUT
IN
(Pin RTP2
(Pin RTP2
(Pin RTP3
(Pin RTP3
(Pin RTP3
(Pin RTP2
(Pin RTP2
(Pin RTP3
(Note 1)
(Note 2)
(Note 3)
1
3
0
1
3
)
)
)
)
)
IN
IN
IN
0
2
2
)
)
)
pin select bit (bit 0 at address AE
pin select bit (bit 1 at address AE
pin select bit (bit 2 at address AE
7905 Group User’s Manual Rev.1.0
16
16
)
)
0 : Input mode
1 : Output mode
When using this pin as timer Ai’s input pin, be sure
to clear the corresponding bit to “0.”
0 : Input mode
1 : Output mode
When using this pin as timer Ai’s input pin, be sure
to clear the corresponding bit to “0.”
16
16
16
) = 1.
) = 1.
) = 1.
Functions
Functions
CUT
/INT
0
. (Refer to section “5.2.3 Pin P4OUT
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
At reset R/W
At reset R/W
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
CUT
/