TC9028AP View Datasheet(PDF) - Toshiba
Part Name
Description
Manufacturer
TC9028AP Datasheet PDF : 21 Pages
| |||
TC9028AP/AF
3.1.2
I/O ports
TC9028AP and TC9028AF has 4 I/O ports with 15 pins.
1. Port P0: 4 bit input
2. Ports P1, P2: 4bit programmable input/output
3. Port P5: 3 bit output (P52 and P53 are for large current output)
(1) Port P0 (P03 to P00)
Port P0 is a 4bit input port. All its pins are equipped with hold mode cancellation function.
(2) Ports P1 (P13 to P10), P2 (P23 to P20)
Ports P1, P2 are 4bit programmable I/O ports with latches.
Input or output can be selected by program. (8 types)
Latches are initialized to 1 at reset.
Pins which can be switched using an option to input mode during hold mode are equipped with
hold mode cancellation functions.
Port P0 (port address IP00)
3
2
P03
P02
HCAN03
HCAN02
1
P01
HCAN01
Port P1 (port address OP01/IP01)
3
2
1
P13
P12
P11
(HCAN13) (HCAN12) (HCAN11)
Port P2 (port address OP02/IP02)
3
2
1
P23
P22
P21
(HCAN23) (HCAN22) (HCAN21)
0
P00
HCAN00
0
P10
(HCAN10)
0
P20
(HCAN20)
Figure 3.2 Ports P0, P1 and P2
9
2002-04-19
Share Link: 