mc68hc705k1 Freescale Semiconductor, Inc, mc68hc705k1 Datasheet - Page 74

• Manufacturer Part Number: mc68hc705k1
• Description: Hcmos Microcontroller Unit
• Manufacturer: Freescale Semiconductor, Inc

Parallel Input/Output (I/O)
Technical Data
RC
1. X = Don’t care
2. U = Undefined
0
0
0
0
0
0
1
1
1
1
1
1
1
PIN3
X
X
X
X
X
X
0
0
0
0
0
0
1
(1)
SWPDI
Control Bits
X
1
1
0
0
0
0
1
1
0
0
0
0
PDIB1
X
X
X
X
X
0
0
1
1
0
0
1
1
Freescale Semiconductor, Inc.
Table 7-3. PB1/OSC3 Pin Functions
For More Information On This Product,
DDRB1
X
0
1
0
1
0
1
0
1
0
1
0
1
Go to: www.freescale.com
Parallel Input/Output (I/O)
RC oscillator
pulldown on
pulldown on
PB1/OSC3
Pin Mode
Input, hi-z
Input, hi-z
Input, hi-z
Input, hi-z
Output
Output
Output
Output
Output
Output
output
Input,
Input,
3-pin
Read
U
U
U
U
U
U
U
U
U
U
U
U
U
Accesses
(2)
to PDRB
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
PDIB1
Write
Read/Write
Accesses
to DDRB
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
MC68HC705K1 — Rev. 2.0
Read
PB1
PB1
PB1
PB1
PB1
PB1
PB1
Pin
Pin
Pin
Pin
Pin
Pin
to PORTB
Accesses
Write
PB1
PB1
PB1
PB1
PB1
PB1
PB1
PB1
PB1
PB1
PB1
PB1
PB1