UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 35

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

Addr
SFR
AA
AB
AE
A2
A3
A4
A5
A6
A7
A8
A9
B0
B1
B2
B3
B4
B7
B8
C0
C8
C9
Reg Name
PWM4W
PSCL0H
PSCL1H
PSCL0L
PSCL1L
WDRST
PWM4P
WDKEY
T2MOD
T2CON
PWM0
PWM1
PWM2
PWM3
IEA
IPA
P3
P4
IE
IP
EDDC
PDDC
TF2
EA
7
EXF2
6
-
RCLK
ET2
PT2
5
UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Bit Register Name
TCLK
ES2
PS2
ES
PS
4
EXEN2
ET1
PT1
3
EX1
PX1
TR2
2
PI2C
C/T2
EI
ET0
PT0
1
2
C
CP/RL2
DCEN
EUSB
PUSB
EX0
PX0
0
Reset
Value
FF
FF
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
Enable (2nd)
Key Register
Priority (2nd)
Output Duty
Output Duty
Output Duty
Output Duty
Pulse Width
Comments
Prescaler 0
Prescaler 0
Prescaler 1
Prescaler 1
Watch Dog
Watch Dog
High (8-bit)
High (8-bit)
New Port 4
Low (8-bit)
Low (8-bit)
Interrupt
Interrupt
Interrupt
Interrupt
Timer 2
Timer 2
PWM 4
PWM 4
Control
Enable
Priority
PWM0
PWM1
PWM2
PWM3
Period
Port 3
Cycle
Cycle
Cycle
Cycle
Reset
Mode
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