MC68HC711E20CFN2

Manufacturer Part NumberMC68HC711E20CFN2
DescriptionIC MCU 20K 2MHZ OTP 52-PLCC
ManufacturerFreescale Semiconductor
SeriesHC11
MC68HC711E20CFN2 datasheets
 

Specifications of MC68HC711E20CFN2

Core ProcessorHC11Core Size8-Bit
Speed2MHzConnectivitySCI, SPI
PeripheralsPOR, WDTNumber Of I /o38
Program Memory Size20KB (20K x 8)Program Memory TypeOTP
Eeprom Size512 x 8Ram Size768 x 8
Voltage - Supply (vcc/vdd)4.5 V ~ 5.5 VData ConvertersA/D 8x8b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Package / Case52-PLCCLead Free Status / RoHS StatusContains lead / RoHS non-compliant
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V
CC
25
MCU 34
34
C7
C8
0.1 µF
1 µF
MCU 33
33
MCU 32
32
MCU 31
31
MCU 30
30
MCU 29
29
MCU 28
28
MCU 27
27
V
CC
MCU 20
20
MCU 21
21
J2
R4
MCU 22
22
1
47 K
MCU43
(PE0)
MCU 23
23
2
3
MCU 24
24
MCU 25
25
MCU 43
43
MCU 45
45
MCU 47
47
V
CC
MCU 49
49
MCU 44
44
MCU 46
46
MCU 48
48
R3
MCU 50
50
1 K
MCU52 (V
)
MCU 52
52
RH
MCU 51
51
C9
0.1 µF
GND
V
MASTER RESET
CC
1
V
CC
RN1A
U2
47 K
2
2
INPUT
MCU17 (RESET)
MCU21 (PD1/TXD)
1
RESET
3
GND
MCU20 (PD0/RXD)
MC34064P
SW1
Notes:
1. Default cut traces installed from factory on bottom of the board.
2. X1 is shipped as a ceramic resonator with built-in capacitors. Holes are provided for a crystal and two capacitors.
U3
42
MCU42
PB0/A8
V
41
MCU41
MCU18 (XIRQ)
DD
PB1/A9
40
MCU40
PA0/IC3
PB2/A10
39
MCU39
PA1/IC2
PB3/A11
38
MCU38
PA2/IC1
PB4/A12
37
MCU37
PA3/OC5
PB5/A13
36
MCU36
PA4/OC4
PB6/A14
35
MCU35
PA5/OC3
PB7/A15
MCU31 (PA3/OC5)
PA6/OC2
9
MCU9
PA7/OC1
PC0/AD0
10
MCU10
PC1/AD1
11
MCU11
PD0/RXD
PC2/AD2
12
MCU12
MCU19 (IRQ)
PD1/TXD
PC3/AD3
13
MCU13
PD2/MISO
PC4/AD4
14
MCU14
PD3/MOSI
PC5/AD5
15
MCU15
PD4/SCK
PC6/AD6
16
MCU16
MCU3
(MODA/LIR)
PD5/SS
PC7/AD7
MCU2
(MODB/V
PE0
5
MCU5
E
PE1
6
MCU6
STRB/R/W
4
MCU4
PE2
J6
STRA/AS
17
MCU17
PE3
MCU8
2
RESET
19
MCU19
PE4
IRQ
18
MCU18
PE5
J5
XIRQ
3
MCU3
MCU7
2
PE6
MODA/LIR
PE7
2
MCU2
MODB/V
STBY
7
V
RH
EXTAL
V
RL
1
8
V
XTAL
SS
R2
10 M
MC68HC11E9FN
X1
NOTE 2
8 MHz
V
CC
C5
C6
1
27 pF
27 pF
RN1E
NOTE 1
47 K
C12
J9
6
2
1
+
J8
+
C10
1
2
NOTE 1
V
CC
NC
V
CC
Figure B-1. EVBU Schematic Diagram
MCU [2 . . . 52]
V
V
V
V
CC
CC
CC
CC
1
1
1
RN1D
RN1C
RN1B
R1
47 K
47 K
47 K
47 K
5
4
3
1
J7
2
)
STBY
2
2
1
J3
J4
1
1
1
NOTE 1
CONNECTOR DB25
P2
13
25
12
24
11
USER’S TERMINAL OR PC
23
10
22
9
V
21
CC
DCD
8
C14
10 µF
DTR
20
7
20 V
+
U4
19
17
20
V
DSR
6
C1+
DD
18
C13
18
C1–
4
V
1
SS
5
+
C2+
3
17
C2–
CTS
6
4
15
TX1
DI1
16
5
16
J15
RX1
DD1
TXD →
13
8
2
1
3
DI2
TX2
14
15
7
DD2
RX2
RXD ←
11
10
2
TX3
DI3
NOTE 1
12
14
9
RX3
DD3
1
19
2
GND
V
CC
MC145407
C11
0.1 µF