UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 34

• Manufacturer Part Number: UPSD3254
• Description: Flash Programmable System Devices with 8032 Microcontroller Core
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Table 16. List of all SFR
34/175
Addr
SFR
8A
8B
8C
8D
9A
9B
A0
A1 PWMCON
80
81
82
83
87
88
89
90
91
93
94
95
96
97
98
99
Reg Name
SCON2
SBUF2
P1SFS
P3SFS
P4SFS
PCON
TMOD
ACON
SCON
TCON
ASCL
ADAT
SBUF
DPH
DPL
TH0
TH1
TL0
TL1
SP
P0
P1
P2
ADAT7
SMOD
PWML
P1S7
P3S7
P4S7
Gate
SM0
SM0
TF1
7
SMOD1 LVREN ADSFINT RCLK1
ADAT6
PWMP
P1S6
P3S6
P4S6
SM1
SM1
TR1
C/T
6
PWME
ADAT5
ADEN
P1S5
P4S5
SM2
SM2
TF0
M1
5
Bit Register Name
ADAT4
CFG4
P1S4
P4S4
REN
REN
TR0
M0
4
ADAT3
CFG3
ADS1
P4S3
Gate
TB8
TB8
IE1
3
TCLK1
ADAT2
CFG2
ADS0
P4S2
RB8
RB8
C/T
IT1
2
ADAT1
ADST
CFG1
P4S1
IE0
PD
M1
TI
TI
1
ADAT0
ADSF
CFG0
P4S0
IDLE
IT0
M0
RI
RI
0
Reset
Value
FF
FF
FF
07
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
Data Ptr Low
Port 1 Select
Port 3 Select
Port 4 Select
Timer 0 High
Timer 1 High
Prescaler for
ADC Control
Timer 0 Low
Timer 1 Low
Serial Buffer
Ctrl Register
Serial Buffer
Timer / Cntr
Timer / Cntr
Comments
Power Ctrl
ADC clock
2nd UART
2nd UART
ADC Data
Stack Ptr
Register
Register
Register
Register
Register
Register
Data Ptr
Polarity
Control
Control
Control
Control
Port 0
Port 1
Port 2
Mode
Serial
PWM
High
8-bit