XC68HC705JJ7 Motorola, XC68HC705JJ7 Datasheet - Page 104

• Manufacturer Part Number: XC68HC705JJ7
• Description: MICROCONTROLLER
• Manufacturer: Motorola

Parallel Input/Output
Advance Information
104
Port C
1. DDRC can always be read or written.
2. Don’t care
Pin(s)
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
WRITE $0002
WRITE $0010
WRITE $0006
RESET
READ $0006
READ $0002
in MOR
SWPDI
X
X
0
0
1
0
0
1
(2)
(2)
Table 7-4. Port C Pin Functions (28-Pin Versions Only)
PDICH
X
X
X
X
R
R
Control Bits
X
X
0
1
(2)
(2)
(2)
(2)
PORT C DATA
REGISTER
BIT PCx
DATA DIRECTION
REGISTER C
PDICL
BIT DDRCx
REGISTER A
PULLDOWN
BIT PDICx
X
X
X
X
X
X
Port C
Figure 7-15. Port C I/O Circuit
0
1
(2)
(2)
(2)
(2)
(2)
(2)
DDRCx
Parallel Input/Output
0
0
0
1
0
0
0
1
(1)
MASK OPTION REGISTER ($1FF1)
(Pin or Data Register)
Read
Data
Data
Pin
Pin
Pin
Pin
Pin
Pin
PORTC Access
MC68HC705JJ7 • MC68HC705JP7 — REV 4
Write
Data
Data
Data
Data
Data
Data
Data
Data
Pulldown
On
Off
Off
Off
On
Off
Off
Off
PULLDOWN
DEVICE
Port C Pins
HIGH SINK/SOURCE
CURRENT CAPABILITY
Result on
PCx
MOTOROLA
PCx out
PCx out
PCx in
PCx in
PCx in
PCx in
PCx in
PCx in
Pin