MC68HC811E2FN Freescale Semiconductor, MC68HC811E2FN Datasheet - Page 103
MC68HC811E2FN
Manufacturer Part Number
MC68HC811E2FN
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC811E2FN.pdf
(242 pages)
Specifications of MC68HC811E2FN
Cpu Family
HC11
Device Core Size
8b
Frequency (max)
4MHz
Interface Type
SCI/SPI
Program Memory Type
ROMLess
Program Memory Size
Not Required
Total Internal Ram Size
256Byte
# I/os (max)
38
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
8-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
52
Package Type
PLCC
Lead Free Status / Rohs Status
Supplier Unconfirmed
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CWOM — Port C Wired-OR Mode Bit (affects all eight port C pins)
HNDS — Handshake Mode Bit
OIN — Output or Input Handshake Select Bit
PLS — Pulsed/Interlocked Handshake Operation Bit
EGA — Active Edge for Strobe A Bit
INVB — Invert Strobe B Bit
Freescale Semiconductor
It is customary to have an external pullup resistor on lines that are driven by open-drain devices.
HNDS must be set to 1 for this bit to have meaning.
HNDS must be set to 1 for this bit to have meaning. When interlocked handshake is selected, strobe
B is active until the selected edge of strobe A is detected.
0 = Port C outputs are normal CMOS outputs.
1 = Port C outputs are open-drain outputs.
0 = Simple strobe mode
1 = Full input or output handshake mode
0 = Input handshake
1 = Output handshake
0 = Interlocked handshake
1 = Pulsed handshake (Strobe B pulses high for two E-clock cycles.)
0 = STRA falling edge selected, high level activates port C outputs (output handshake)
1 = STRA rising edge selected, low level activates port C outputs (output handshake)
0 = Active level is logic 0.
1 = Active level is logic 1.
M68HC11E Family Data Sheet, Rev. 5.1
Parallel I/O Control Register
103
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