mc68hc05jp6pe Freescale Semiconductor, Inc, mc68hc05jp6pe Datasheet - Page 94

• Manufacturer Part Number: mc68hc05jp6pe
• Description: M68hc05 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Parallel Input/Output
7.4.8 PB6/SDI Logic
General Release Specification
94
WRITE $0001
WRITE $0011
RESET
READ $0005
WRITE $0005
READ $0001
SERIAL DATA IN (SDI)
The PB6/SDI pin can be used as a simple I/O port pin or be controlled
by the SIOP serial interface as shown in
PB6/SDI pin are summarized in
SERIAL ENABLE (SPE)
R
R
PORT B DATA
Figure 7-11. PB6/SDI Pin I/O Circuit
REGISTER
DATA DIRECTION
BIT PB6
REGISTER B
REGISTER B
PULLDOWN
BIT DDRB6
BIT PDIB6
Parallel Input/Output
PULLDOWN INHIBIT
MASK OPTION
(ENABLE = 0)
Table
MC68HC05JJ6/MC68HC05JP6
7-3.
Figure
7-11. The operations of
Freescale Semiconductor
100 A
PULLDOWN
DEVICE
PB6
SDI
—
Rev. 3.2