mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 66

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Input/Output Ports (I/O)
66
INTERNAL HC05
DATA BUS
WRITE OPTN: $0009
WRITE OPTN: $0002
WRITE $0002
READ OPTN: $000A
READ OPTN: $0009
READ OPTN: $0002
READ $0002
RESET
(RST)
Figure 7-15. PC2/SDI Circuitry
DATA DIRECTION
MC68HC05L25 Data Sheet, Rev. 3.1
REGISTER BIT
REGISTER BIT
REGISTER BIT
REGISTER BIT
SYSTEM
OPEN DRAIN
PULLUP
SPI
DATA
SDI
PULLUP
LOGIC
*NOTE: Open Drain Output
OUTPUT*
Freescale Semiconductor
R PULLUP
PIN
I/O