MC68HC705JP7 Datasheet, PDF (101/242 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Parallel Input/Output
Port C (28-Pin Versions Only)
Table 7-3. Port B Pin Functions — PB5–PB7
Port B
Pin
PB5
PB6
PB7
SIOP
SPE MSTR
0
X⁽²⁾
1
X⁽²⁾
0
X⁽²⁾
1
X⁽²⁾
0
X⁽²⁾
0
1
1
Control Bits
SWPDI
in MOR
0
0
1
X⁽²⁾
X⁽²⁾
0
0
1
X⁽²⁾
X⁽²⁾⁾
0
0
1
X⁽²⁾
X⁽²⁾
X⁽²⁾
Port B
PDIBx
0
1
X
X⁽²⁾
X⁽²⁾
0
1
X⁽²⁾
X⁽²⁾
X⁽²⁾
0
1
X⁽²⁾
X⁽²⁾
X⁽²⁾
X⁽²⁾
DDRBx⁽¹⁾
0
0
0
1
0
1
0
0
0
1
0
1
0
0
0
1
0
1
0
1
1. DDRB can always be read or written.
2. Don’t care
PORTB Access
(Pin or Data
Register)
Read
Pin
Pin
Pin
Write
Data
Data
Data
Data
Data
SDO
Data
Pin
Pin
Data
Data
Data
Data
Pin
Data
Data
Data
SDI
Data
Pin
Pin
Data
Data
Data
Data
Pin
Data
Data
Data
SCK
Data
SCK
Data
Data
Data
Data
Data
Result on
Port B Pins
Pulldown
On
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
Off
Off
Off
Pin
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
7.5 Port C (28-Pin Versions Only)
Port C is an 8-bit, general-purpose, bidirectional I/O port with these
features:
• Individual programmable pulldown devices
• High current sinking capability on all port C pins, with a maximum
total for port C
• High current sourcing capability on all port C pins, with a maximum
total for port C
MC68HC705JJ7 • MC68HC705JP7 — REV 4
MOTOROLA
Parallel Input/Output
For More Information On This Product,
Go to: www.freescale.com
Advance Information
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