TC1796
System Units (Vol. 1 of 2)
Introduction
User’s Manual 1-48 V2.0, 2007-07
Intro, V2.0
P9 I/O A2 V
DDP
Port 9
Port 9 is a 9-bit bi-directional general-
purpose I/O port which can be alternatively
used as GPTA or MSC0/1 I/O lines.
P9.0
P9.1
P9.2
P9.3
P9.4
P9.5
P9.6
P9.7
P9.8
A19
B19
B20
A20
D18
D19
C19
D20
C20
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
O
IN48 / OUT48
EN12
IN49 / OUT49
EN11
IN50 / OUT50
SOP1B
IN51 / OUT51
FCLP1B
IN52 / OUT52
EN03
IN53 / OUT53
EN02
IN54 / OUT54
EN01
IN55 / OUT55
SOP0B
FCLP0B
line of GPTA
MSC1 device select
output 2
line of GPTA
MSC1 device select
output 1
line of GPTA
MSC1 serial data output
line of GPTA
MSC1 clock output
line of GPTA
MSC0 device select
output 3
line of GPTA
MSC0 device select
output 2
line of GPTA
MSC0 device select
output 1
line of GPTA
MSC0 serial data output
MSC0 clock output
Table 1-3 Pin Definitions and Functions (cont’d)
Symbol Pins I/O Pad
Driver
Class
Power
Supply
Functions