t81l0003a TM Technology Inc., t81l0003a Datasheet - Page 6

• Manufacturer Part Number: t81l0003a
• Description: Reduced I/o 8-bit Mcu
• Manufacturer: TM Technology Inc.

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OSCR
STOP
using RC oscillation.
Internal Register
Special Function Register
*Note:
P0:Internal still keeping, but for pad dominate, no external pin assignment
P2:Internal still keeping, but for pad dominate, no external pin assignment
Accumulator
Accumulator simply as A.
B Register
scratch pad register.
TM Technology, Inc. reserves the right
to change products or specifications without notice.
D8H
D0H
C8H
C0H
B8H
B0H
A8H
A0H
F8H
F0H
E8H
E0H
98H
90H
88H
80H
Input to the RC oscillator amplifier and input to the internal clock operating circuit in AK, AD parts.
RC oscillation stop pin in AK, AD parts which should keep floating while using external clock in or tie to low level
ACC is the Accumulator register. The mnemonics for Accumulator-Specific instructions, however, refer to the
The B register is used during multiply and divide operations. For other instructions it can be treated as another
T2CON
TCON
SCON
PSW
ACC
P2*
P0*
P3
P1
CH
IP
IE
B
TE
T2MOD
TMOD
SBUF
SP
(Compatible with standard 8051 instruction and setting)
RCAP2L
TLO
DPL
RCAP2H
DPH
TL1
TH0
TL2
P. 6
TH2
TH1
WDTREL
Publication Date: SEP. 2004
PCON
T81L0003A
Revision: C