HD6413002 Datasheet, PDF (285/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

9.8.3 Pin Functions
The port B pins are also used for TPC output (TP₁₅ to TP₈), ITU input/output (TIOCB₄, TIOCB₃,
TIOCA₄, TIOCA₃) and output (TOCXB₄, TOCXA₄), DMAC input (DREQ₁, DREQ₀), and
ADTRG input. Table 9-14 describes the selection of pin functions.
Table 9-14 Port B Pin Functions
Pin
Pin Functions and Selection Method
PB₇/TP₁₅/DREQ₁/ DMAC channel 1 settings (bits DTS2/1/0A and DTS2/1/0B in DTCR1A and
ADTRG
DTCR1B), bit TRGE in ADCR, bit NDER15 in NDERB, and bit PB₇DDR in
PBDDR select the pin function as follows
PB₇DDR
NDER15
Pin function
0
—
PB₇ input
1
0
PB₇ output
DREQ₁ input^*1
ADTRG input^*2
1
1
TP₁₅ output
Notes: 1. DREQ₁ input under DMAC channel 1 settings (1) in the table below.
2. ADTRG input when TRGE = 1.
DMAC channel
1 settings
(2)
(1) (2) (1)
(2)
(1)
DTS2A, DTS1A
Not both 1
Both 1
DTS0A
—
0
0
1
1
1
DTS2B
0
1
1
0
1
0
1
1
DTS1B
—0
1 ——— 0
1
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