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Motorola
Motorola

MC68HC811E2 Datasheet

(MC68HC711E Series) M68HC11E Series Programming Reference Guide


MC68HC811E2 Datasheet Preview


Reference Guide
M68HC11ERG/AD
Rev. 2, 10/2003
M68HC11E Series
Programming
Reference Guide
Block Diagram
MODA/ MODB/
LIR VSTBY
XTAL EXTAL E
IRQ XIRQ/VPPE* RESET
MODE CONTROL
OSC
CLOCK LOGIC
INTERRUPT
LOGIC
TIMER
SYSTEM
M68HC11 CPU
PORT A
BUS EXPANSION
ADDRESS
ADDRESS/DATA
STROBE AND HANDSHAKE
PARALLEL I/O
PORT B
CONTROL
PORT C
ROM OR EPROM
(SEE TABLE)
EEPROM
(SEE TABLE)
RAM
(SEE TABLE)
SERIAL
PERIPHERAL
INTERFACE
SPI
SERIAL
COMMUNICATION
INTERFACE
SCI
VDD
VSS
CONTROL
PORT D
VRH
VRL
A/D CONVERTER
PORT E
* VPPE applies only to devices with EPROM/OTPROM.
DEVICE
MC68HC11E0
MC68HC11E1
MC68HC11E9
MC68HC711E9
MC68HC11E20
MC68HC711E20
MC68HC811E2
RAM
512
512
512
512
768
768
256
ROM EPROM EEPROM
——
——
512
12 K —
512
— 12 K
512
20 K —
512
— 20 K
512
— — 2048
© Motorola, Inc., 2003
Page 1

M68HC11ERG/AD
Devices Covered in This Reference Guide
Device
MC68HC11E0
MC68HC11E1
MC68HC11E9
MC68HC711E9
MC68HC11E20
MC68HC711E20
MC68HC811E2
RAM
512
512
512
512
768
768
256
ROM
12K
20K
EPROM
12K
10K
EEPROM
512
512
512
512
512
2048
M68HC11E Series Programming Model
7
A
07
B
15 D
0 8-BIT ACCUMULATORS A & B
0 OR 16-BIT DOUBLE ACCUMULATOR D
IX INDEX REGISTER X
IY INDEX REGISTER Y
SP STACK POINTER
PC
70
SXH I NZVC
PROGRAM COUNTER
CONDITION CODES
CARRY/BORROW FROM MSB
OVERFLOW
ZERO
NEGATIVE
I-INTERRUPT MASK
HALF CARRY (FROM BIT 3)
X-INTERRUPT MASK
STOP DISABLE
2
M68HC11E Series Programming Reference Guide
MOTOROLA
Page 2

Crystal Dependent Timer Summary
M68HC11ERG/AD
Crystal Dependent Timer Summary
CPU Clock
Cycle Time
(E/26)
(E/214)
(E/1)
(E/216)
(E/4)
(E/218)
(E/8)
(E/219)
(E/16)
(E/220)
(E/213)
(E/214)
(E/215)
(E/216)
(E/215)
(E/217)
(E/219)
(E/221)
(E/215)
Selected
Crystal
(E)
(1/E)
1 count —
overflow —
PR[1:0]
00
1 count—
overflow —
01
1 count—
overflow —
10
1 count—
overflow —
11
1 count—
overflow —
RTR[1:0]
00
01
10
11
CR[1:0]
00
01
10
11
Timeout
tolerance
(–0 ms/+...)
Common XTAL Frequencies
4.0 MHz
8.0 MHz
12.0 MHz
1.0 MHz
2.0 MHz
3.0 MHz
1000 ns
500 ns
333 ns
Pulse Accumulator (in Gated Mode)
64.0 µs
16.384 ms
32.0 µs
8.192 ms
21.330 µs
5.491 ms
Main Timer Count Rates
1.0 µs
65.536 ms
500 ns
32.768 ms
333 ns
21.845 ms
4.0 µs
262.14 ms
2.0 µs
131.07 ms
1.333 µs
87.381 ms
8.0 µs
524.29 ms
4.0 µs
262.14 ms
2.667 µs
174.76 ms
16.0 µs
1.049 s
8.0 µs
524.29 ms
5.333 µs
349.52 ms
Periodic (RTI) Interrupt Rates
8.192 ms
16.384 ms
32.768 ms
65.536 ms
4.096 ms
8.192 ms
16.384 ms
32.768 ms
2.731 ms
5.461 ms
10.923 ms
21.845 ms
COP Watchdog Timeout Rates
32.768 ms
131.072 ms
524.288 ms
2.097 s
16.384 ms
65.536 ms
262.14 ms
1.049 s
10.923 ms
43.691 ms
174.76 ms
699.05 ms
32.8 ms
16.4 ms
10.9 ms
MOTOROLA
M68HC11E Series Programming Reference Guide
3
Page 3
Part Number MC68HC811E2
Manufactur Motorola
Description (MC68HC711E Series) M68HC11E Series Programming Reference Guide
Total Page 30 Pages
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