Z51F3220FNX Datasheet, PDF (84/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
P5FSR (Port 5 Function Selection Register) : FFH
7
6
5
4
–
–
P5FSR5
P5FSR4
–
–
R/W
R/W
3
P5FSR3
R/W
2
P5FSR2
R/W
1
0
P5FSR1
P5FSR0
R/W
R/W
Initial value : 00H
P5FSR5
P5FSR[4:3]
P5FSR2
P5FSR[1:0]
P54 Function Select
0
I/OPort (EINT10 function possible when input)
1
SXOUT Function
P53 Function Select
P5FSR4 P5FSR3 Description
0
0
I/OPort
0
1
SXIN Function
1
0
T0O/PWM0O Function
1
1
Not used
P51 Function Select
1
0
I/OPort
1
1
XIN Function
P50 Function Select
P5FSR1 P5FSR0 Description
0
0
I/OPort
0
1
XOUT Function
1
0
Not used
1
1
Not used
NOTE) Refer to the configure option for the P55/RESETB.
PS029902-0212
PRELIMINARY
81