Table 4.1-2 Port Registers - Fujitsu F2MC-8L Series Hardware Manual

Table 4.1-1 Port Function (Continued)
Port Pin Input
name type
P40 to
Port 4 —
P43
The pins enclosed in ( ) are those in the MB89120A series. All itemsabove are
specifications common to both of the MB89120 series and MB89120A series unless
otherwise specified.
*1: The system clock output is optional on the MB89121.
*2: External interrupt 2 is a CMOS hysteresis input.

Table 4.1-2 Port Registers

Port 0 data register (PDR0)
Port 0 data direction register (DDR0)
Port 1 data register (PDR1)
Port 1 data direction register (DDR1)
Port 2 data register (PDR2)
Port 3 data register (PDR3)
Port 3 data direction register (DDR3)
Port 4 data register (PDR4)
*: Bit manipulation instructions cannot be used on DDR0, DDR1, and DDR3.
Output Function
type
Output-only
N-ch
port
open-
drain
Analog input
Register
Bit 7 Bit 6 Bit 5
— — —
— — —
Read/Write
R/W
W*
R/W
W*
R/W
R/W
W*
R/W
4.1 Overview of I/O Ports
Bit 4 Bit 3 Bit 2
— P43 P42
— AN3 AN2
Address
0000 XXXXXXXX
H
0001
H
0002 XXXXXXXX
H
0003
H
0004
H
000C XXXXXXXX
H
000D
H
000E
H
R/W: Readable and writable
W: Write-only
X: Indeterminate
Bit 1 Bit 0
P41 P40
AN1 AN0
-: Unused pin
Initial value
B
00000000
B
B
00000000
B
00000000
B
B
00000000
B
11111111
B
99