UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 39

• Manufacturer Part Number: UPSD3234A-40U6T
• Description: IC MCU 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3234A-40U6T

• Core Processor: 8032
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, UART/USART, USB
• Peripherals: LVR, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 288KB (288K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
Table 16.
DB
CC
CD
D1
D4
D5
D6
D7
D8
D9
DA
DC
DD
C9
CA
CB
D0
D2
DE
DF
E0
DDCCON
Reg Name
DDCADR
RAMBUF
S2SETUP
DDCDAT
S1SETU
RCAP2H
RCAP2L
S1CON
S1ADR
T2MOD
S1STA
S1DAT
S2CON
S2ADR
S2STA
S2DAT
PSW
ACC
TH2
TL2
P
List of all SFRs (continued)
CR2
CR2
GC
GC
CY
—
7
EX_DAT
ENI1
Stop
Stop
EN1
AC
6
SWEN
STA
STA
Intr
Intr
FO
B
5
Bit Register Name
DDC_A
TX-Md
TX-Md
STO
RS1
STO
X
4
DDCIN
ADDR
Bbusy
ADDR
Bbusy
RS0
T
3
DDC1E
Blost
Blost
OV
AA
AA
N
2
SWHIN
ACK_R
ACK_R
CR1
CR1
T
1
MCU module description
DCEN
CR0
SLV
CR0
SLV
M0
P
0
XX
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
Control Reg
Timer 2 High
Reload High
Accumulator
Timer 2 Low
Status Word
(S1) Setup
Control Reg
I
Comments
DDC Ram
DDC Data
Data Hold
Reload low
2
Data Hold
DDC I
DDC I
DDC I
DDC I
Register
Register
address
Program
C address
register
register
Register
I
Control
Timer 2
Timer 2
Timer 2
pointer
I
I
Status
2
Buffer
2
2
Status
Setup
mode
Addr
DDC
C (S2)
xmit
C Bus
C Bus
byte
byte
39/189
2
2
2
2
C
C
C
C