SM8958A Datasheet, PDF (5/25 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 32KB flash & 1KB RAM embedded

SyncMOS Technologies Inc.
September 2002
SM8958A
Special Function Register (SFR)
The address $80 to $FF can be accessed by direct addressing mode only.
Address $80 to $FF is SFR area.
The following table lists the SFRs which are identical to general 8052, as well as SM8958A Extension SFRs.
Special Function Register (SFR) Memory Map
$F8
$FF
$F0
B
$F7
$E8
$E0
ACC
$D8
P4
$D0 ^PSW
$C8 ^T2CON
$C0
$B8
IP
$B0
P3
$A8
IE
$A0
P2
$98 ^SCON
$90
P1
$88 ^TCON
$80
P0
T2MOD
SBUF
TMOD
SP
RCAP2L
TL0
DPL
$EF
$E7
$DF
$D7
RCAP2H
TL2
TH2
$CF
$C7
SCONF ^$BF
$B7
SPWMD4
$AF
SPWMC SPWMD0 SPWMD1 SPWMD2 SPWMD3 $A7
P1CON
WDTC $9F
WDTKEY $97
TL1
TH0
TH1
$8F
DPH
(Reserved) RCON DBANK
PCON _$87
Note: The text of SFRs with bold type characters are Extension Special Function Registers forSM8958A
Addr
85H
86H
97H
9BH
9FH
A3H
A4H
A5H
A6H
A7H
ACH
BFH
C8H
C9H
D8H
SFR
Reset
RCON ******00
DBANK 0***0001
WDTKEY ********
P1CON 00000***
WDTC 0*0**000
SPWMC ******00
SPWMD0 00H
SPWMD1 00H
SPWMD2 00H
SPWMD3 00H
SPWMD4 00H
SCONF 0*****00
T2CON 00H
T2MOD ******00
P4
****1111
7
6
5
4
3
2
1
0
RAMS1 RAMS0
BSE
BS3
BS2
BS1
BS0
WDTKEY7 WDTKEY6 WDTKEY5 WDTKEY4 WDTKEY3 WDTKEY2 WDTKEY1 WDTKEY0
SPWME4 SPWME3 SPWME2 SPWME1 SPWME0
WDTE
CLEAR
PS2
PS1
PS0
SPFS1 SPFS0
SPWMD04 SPWMD03 SPWMD02 SPWMD01 SPWMD00 BRM02 BRM01 BRM00
SPWMD14 SPWMD13 SPWMD12 SPWMD11 SPWMD10 BRM12 BRM11 BRM10
SPWMD24 SPWMD23 SPWMD22 SPWMD21 SPWMD20 BRM22 BRM21 BRM20
SPWMD34 SPWMD33 SPWMD32 SPWMD31 SPWMD30 BRM32 BRM31 BRM30
SPWMD44 SPWMD43 SPWMD42 SPWMD41 SPWMD40 BRM42 BRM41 BRM40
WDR
OME
ALEI
TF2
EXF2
RCLK
TCLK
EXEN2
TR2
C/T2
CP/RL2
T2OE
DCEN
P4.3
P4.2
P4.1
P4.0
Specifications subject to change without notice,contact your sales representatives for the most recent information.
5/25
Ver 1.0 PID 8958A 09/02