M68HC11ERG/AD
Freescale Semiconductor, Inc.
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
For More Information On This Product,
Go to: www.freescale.com
