MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 243

• Manufacturer Part Number: MC68HC711E20CFN2
• Description: IC MCU 20K 2MHZ OTP 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC711E20CFN2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Size: 20KB (20K x 8)
• Program Memory Type: OTP
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

M68HC11E Family — Rev. 3.2
MOTOROLA
Num
1. V
2. Formula only for dc to 2 MHz
3. Input clocks with duty cycles other than 50% affect bus performance. Timing parameters affected by input clock duty cycle
26
27
28
29
35
36
otherwise noted
are identified by (a) and (b). To recalculate the approximate bus timing values, substitute the following expressions in place
of 1/8 t
DD
Where:
Delay time, E to AS rise
Pulse width, AS high
Delay time, AS to E rise
MPU address access time
MPU access time
Multiplexed address delay
= 5.0 Vdc 10%, V
t
PW
t
t
t
(Previous cycle MPU read)
(a) (1–dc)
(b) dc
dc is the decimal value of duty cycle percentage (high time)
ASD
ASED
ACCA
ACCE
cyc
t
MAD
ASH
in the above formulas, where applicable:
= 1/8 t
= 1/8 t
= t
= PW
= t
1/4 t
= 1/4 t
cyc
ASD
1/4 t
cyc
cyc
Characteristic
EH
–(PW
cyc
+ 30 ns
cyc
–9.5 ns
–t
cyc
–9.5 ns
SS
DSR
–29 ns
EL
= 0 Vdc, T
–t
(2) (3)a
AVM
(2) (3)a
(2) (3)b
(2)
(3)a
) –t
(1)
A
DSR
= T
–t
L
to T
f
Electrical Characteristics
H
, all timing is shown with respect to 20% V
Symbol
PW
t
t
t
t
t
ASED
ACCA
ACCE
MAD
ASD
ASH
744.5
145.5
115.5
115.5
Min
221
—
1.0 MHz
Max
442
—
—
—
—
—
Expansion Bus Timing Characteristics
Min
307
53
96
53
83
—
2.0 MHz
DD
Max
192
—
—
—
—
—
and 70% V
Electrical Characteristics
Min
196
31
63
31
51
3.0 MHz
DD
Technical Data
, unless
Max
111
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
243