MC68HC05JJ6 Datasheet, PDF (98/216 Pages) Freescale Semiconductor, Inc – General Release Specification Microcontrollers

Parallel Input/Output
Table 7-3. Port B Pin Functions – PB5:PB7
Control Bits
Port B
Pin
SIOP
SPE MSTR
Mask
Option
Inhibit
Pull-
down
Port B
PDIBn DDRBn*
0
0
0
0
1
0
0
X
1
X
0
PB5
X
X
1
0
1
X
X
X
1
0
0
0
0
1
0
0
X
1
X
0
PB6
X
X
1
0
1
X
X
X
1
0
0
0
0
1
0
0
X
1
X
0
X
X
1
PB7
0
0
X
X
1
1
0
1
X
X
1
* DDRB can always be read or written.
X = Don’t Care
PORTB Access
(Pin or Data
Register)
Read Write
PIN
PIN
PIN
DATA
SDO
DATA
PIN
PIN
PIN
DATA
SDI
DATA
PIN
PIN
PIN
DATA
SCK
DATA
SCK
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
Result on
Port B Pins
Pulldown
Pin
ON
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
PB5 IN
PB5 IN
PB5 IN
PB5 OUT
SDO OUT
SDO OUT
PB6 IN
PB6 IN
PB6 IN
PB6 OUT
SDI IN
SDI IN
PB7 IN
PB7 IN
PB7 IN
PB7 OUT
SCK IN
SCK IN
SCK OUT
SCK OUT
General Release Specification
98
MC68HC05JJ6/MC68HC05JP6 — Rev. 3.2
Parallel Input/Output
Freescale Semiconductor