MC68HC705K1 Datasheet, PDF (74/140 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Parallel Input/Output (I/O)
Table 7-3. PB1/OSC3 Pin Functions
Control Bits
RC PIN3
0 _X⁽¹⁾
0X
SWPDI
1
1
PDIB1
X
X
DDRB1
0
1
0X
0
0
0
0X
0
0
1
0X
0
1
0
0X
0
1
1
10
1
X
0
10
1
X
1
10
0
0
0
10
0
0
1
10
0
1
0
10
0
1
1
11
X
X
X
1. X = Don’t care
2. U = Undefined
PB1/OSC3
Pin Mode
Input, hi-z
Output
Input,
pulldown on
Output
Input, hi-z
Output
Input, hi-z
Output
Input,
pulldown on
Output
Input, hi-z
Output
3-pin
RC oscillator
output
Accesses
to PDRB
Read Write
U^{(2) PDIB1}
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
U PDIB1
Accesses
to DDRB
Read/Write
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
DDRB1
Accesses
to PORTB
Read Write
Pin PB1
PB1 PB1
Pin PB1
PB1 PB1
Pin PB1
PB1 PB1
Pin PB1
PB1 PB1
Pin PB1
PB1 PB1
Pin PB1
PB1 PB1
PB1 PB1
Technical Data
Parallel Input/Output (I/O)
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MC68HC705K1 — Rev. 2.0