UPSD3234AV-24U1T STMicroelectronics, UPSD3234AV-24U1T Datasheet - Page 31
UPSD3234AV-24U1T
Manufacturer Part Number
UPSD3234AV-24U1T
Description
Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
Manufacturer
STMicroelectronics
Datasheet
1.UPSD3234AV-24U1T.pdf
(170 pages)
- Current page: 31 of 170
- Download datasheet (3Mb)
w w w . D a t a S h e e t 4 U . c o m
Addr
SFR
CA
CB
CC
CD
DA
DB
DC
DD
DE
DF
D0
D1 S1SETUP
D2 S2SETUP
D4
D5
D6
D7 DDCCON
D8
D9
E0
E1
E6
Reg Name
DDCADR
RAMBUF
RCAP2H
DDCDAT
RCAP2L
S1CON
S1ADR
S2CON
S2ADR
S1STA
S1DAT
S2STA
S2DAT
USCL
UDT1
PSW
ACC
TH2
TL2
UDT1.7
CR2
CR2
GC
GC
CY
—
7
EX_DAT SWENB DDC_AX DDCINT DDC1EN SWHINT
UDT1.6 UDT1.5 UDT1.4 UDT1.3 UDT1.2 UDT1.1 UDT1.0
ENI1
Stop
Stop
EN1
AC
6
STA
STA
FO
Intr
Intr
5
uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Bit Register Name
TX-Md
TX-Md
STO
STO
RS1
4
ADDR
Bbusy
ADDR
Bbusy
RS0
3
Blost
Blost
OV
AA
AA
2
ACK_R
ACK_R
CR1
CR1
1
CR0
CR0
SLV
SLV
M0
P
0
Reset
Value
XX
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
Timer 2 High
DDC Control
Reload High
Accumulator
Prescaler for
USB Endpt1
Timer 2 Low
Status Word
xmit register
Addr pointer
Control Reg
Control Reg
I
Comments
Reload low
(S1) Setup
2
DDC Ram
DDC Data
Data Hold
Data Hold
USB logic
Data Xmit
Program
DDC I
DDC I
DDC I
DDC I
C address
Register
Register
Register
I
address
Timer 2
Timer 2
I
I
register
2
Status
2
2
Status
Buffer
Setup
C (S2)
C Bus
C Bus
8-bit
byte
byte
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2
2
2
2
C
C
C
C
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