MC68HC11E1CFN3R2 Freescale Semiconductor, MC68HC11E1CFN3R2 Datasheet - Page 163

• Manufacturer Part Number: MC68HC11E1CFN3R2
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC11E1CFN3R2

• Cpu Family: HC11
• Device Core Size: 8b
• Frequency (max): 3MHz
• Interface Type: SCI/SPI
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Total Internal Ram Size: 512Byte
• # 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: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 52
• Package Type: PLCC
• Lead Free Status / Rohs Status: Not Compliant

10.12 MC68L11E9/E20 Peripheral Port Timing
Freescale Semiconductor
Frequency of operation
E-clock period
Peripheral data setup time
Peripheral data hold time
Delay time, peripheral data write
Port C input data setup time
Port C input data hold time
Delay time, E fall to STRB
Setup time, STRA asserted to E fall
Delay time, STRA asserted to port C data output valid
Hold time, STRA negated to port C data
3-state hold time
1. V
2. Ports C and D timing is valid for active drive. (CWOM and DWOM bits are not set in PIOC and SPCR registers, respec-
3. If this setup time is met, STRB acknowledges in the next cycle. If it is not met, the response may be delayed one more cycle.
E-clock frequency
MCU read of ports A, C, D, and E
MCU read of ports A, C, D, and E
t
t
PWD
DEB
otherwise noted
tively.)
DD
MCU writes to port A
MCU writes to ports B, C, and D
= 1/4 t
= 1/4 t
= 3.0 Vdc to 5.5 Vdc, V
CYC
CYC
+ 150 ns
+ 150 ns
Characteristic
SS
= 0 Vdc, T
(3)
(1) (2)
Figure 10-7. Port Read Timing Diagram
M68HC11E Family Data Sheet, Rev. 5.1
A
= T
L
to T
H
, all timing is shown with respect to 20% V
Symbol
t
t
t
PDSU
t
t
t
t
t
t
PWD
CYC
PDH
PCD
PCH
DEB
AES
PCZ
t
t
f
IS
IH
o
1000
Min
100
100
dc
50
60
10
—
—
—
—
—
0
1.0 MHz
MC68L11E9/E20 Peripheral Port Timing
Max
250
400
400
100
150
1.0
—
—
—
—
—
—
—
Min
500
100
100
DD
dc
50
60
10
—
—
—
—
—
0
2.0 MHz
and 70% V
Max
250
275
275
100
150
2.0
—
—
—
—
—
—
—
DD
, unless
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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