HMS99C52 Datasheet, PDF (19/43 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

HMS99C5X Series
Table 3. Contents of SFRs, SFRs in Numeric Order (cont’d)
Address
C8H
Register
T2CON
Bit 7
6
5
4
3
2
1
0
TF2 EXF2 RCLK TCLK EXEN2 TR2 C/T2 CP/RL2
C9H
T2MOD
-
-
-
-
-
-
T2OE ^† DCEN
CAH
RC2L
CBH
RC2H
CCH
TL2
CDH
TH2
D0H
PSW
CY
AC
F0
RS1 RS0
OV
F1
P
E0H
ACC
F0H
B
† indicates resident in the HMS99C52, not in HMS99C51.
8EH
A0
A0 : ALE Signal Disable bit
0 : Enable ALE Signal (Generated ALE Signal)
1 : Disable ALE Signal (Not Generated ALE Signal)
8FH
†
C9H
X2
X2 : CPU & Peripheral Clock Select bit
0 : Select 12 clock periods per machine cycle
1 : Select 6 clock periods per machine cycle
T2OE
T2OE : Timer2 Output Enable bit
0 : Disable Timer2 Output
1 : Enable Timer2 Output
- : this bit location is reserved
SFR bit and byte addressable
SFR not bit addressable
Jan. 2003 Ver 1.0
15