HD6412350 Hitachi, HD6412350 Datasheet - Page 371

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

9.7
9.7.1
Port 6 is an 8-bit I/O port. Port 6 pins also function as interrupt input pins (IRQ0 to IRQ3), DMAC
I/O pins (DREQ0, TEND0, DREQ1, and TEND1), and bus control output pins (CS4 to CS7). The
functions of pins P6
P6
inputs. Figure 9-6 shows the port 6 pin configuration.
6
, P6
1
, and P6
Note: * Modes 2, 3, 6, and 7 only apply to the H8S/2351.
Port 6
Overview
Port 6
0
change according to the operating mode. Pins P6
5
to P6
Port 6 pins
P6
P6
P6
P6
P6
P6
P6
P6
2
are the same in all operating modes, while the functions of pins P6
7
6
5
4
3
2
1
0
/ IRQ3 / CS7
/ IRQ2 / CS6
/ IRQ1
/ IRQ0
/ TEND1
/ DREQ1
/ TEND0/ CS5
/ DREQ0/ CS4
Figure 9-6 Port 6 Pin Functions
Pin functions in modes 1, 2, 3, and 7*
P6
P6
P6
P6
P6
P6
P6
P6
Pin functions in modes 4 to 6*
P6
P6
P6
P6
P6
P6
P6
P6
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
(I/O)/IRQ3 (input)
(I/O)/IRQ2 (input)
(I/O)/IRQ1 (input)
(I/O)/IRQ0 (input)
(I/O)/TEND1 (output)
(I/O)/DREQ1 (input)
(I/O)/TEND0 (output)
(I/O)/DREQ0 (input)
(input)/IRQ3 (input)/CS7 (output)
(input)/IRQ2 (input)/CS6 (output)
(I/O)/IRQ1 (input)
(I/O)/IRQ0 (input)
(I/O)/TEND1 (output)
(I/O)/DREQ1 (input)
(input)/TEND0 (output)/CS5 (output)
(input)/DREQ0 (input)/CS4 (output)
7
to P6
4
are schmitt-triggered
7
,
351