HD6473032F16 Datasheet, PDF (327/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 9 I/O Ports
9.12.3 Pin Functions
Table 9.21 describes the selection of pin functions.
Table 9.21 Port B Pin Functions
Pin
PB7/TP15/
DREQ1/
ADTRG
Pin Functions and Selection Method
DMAC channel 1 settings (bits DTS2/1/0A and DTS2/1/0B in DTCR1A and DTCR1B),
bit TRGE in ADCR, bit NDER15 in NDERB, and bit PB7DDR in PBDDR select the pin
function as follows
PB7DDR
0
1
1
NDER15
—
0
1
Pin function
PB7 input
PB7 output
DREQ1 input^*1
ADTRG input^*2
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
Rev. 3.00 Mar 21, 2006 page 297 of 814
REJ09B0302-0300