195
Table 5.3
Port 1 Pin Functions
Pin
Selection Method and Pin Functions
P17/PO15/
TIOCB2/
TCLKD/
EDRAK3
The pin function is switched as shown below according to the combination of the
TPU channel 2 settings (by bits MD3 to MD0 in TMDR2, bits IOB3 to IOB0 in
TIOR2, and bits CCLR1 and CCLR0 in TCR2), bits TPSC2 to TPSC0 in TCR0
and TCR5, bit NDER15 in NDERH, bit EDRAKE in EDMDR3, and bit P17DDR.
Modes 1, 2, 4, 5, 6, 7 (EXPE = 1)
EDRAKE
0
1
TPU channel 2
settings
(1) in table
below
(2) in table below
—
P17DDR
—
0
1
1
—
NDER15
—
—
0
1
—
Pin function
TIOCB2
output
P17
input
P17
output
PO15
output
EDRAK3
output
TIOCB2 input
*
1
TCLKD input
*
2
Mode 7 (EXPE = 0)
EDRAKE
—
TPU channel 2
settings
(1) in table
below
(2) in table below
P17DDR
—
0
1
1
NDER15
—
—
0
1
Pin function
TIOCB2 output
P17 input
P17 output
PO15 output
TIOCB2 input
*
1
TCLKD input
*
2
Notes: 1. TIOCB2 input when MD3 to MD0 = B'0000 or B'01xx and IOB3 = 1.
2. TCLKD input when the setting for either TCR0 or TCR5 is TPSC2 to TPSC0 =
B'111.
TCLKD input when channels 2 and 4 are set to phase counting mode.
TPU channel 2
settings
(2)
(1)
(2)
(1)
(1)
(2)
MD3 to MD0
B'0000, B'01xx
B'001x
B'0010
B'0011
IOA3 to IOA0
B'0000
B'0100
B'1xxx
B'0001 to B'0011
B'0101 to B'0111
B'xx00
Other than B'xx00
CCLR1, CCLR0
—
—
—
—
Other
than
B'10
B'10
Output function
—
Output compare
output
—
PWM
*
2
mode 1
output
PWM
mode 2
output
—
x: Don’t care
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