UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 64

• 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: -

Timer/counters (Timer 0, Timer 1 and Timer 2)
Table 42.
64/189
Baud Rate
Generator
Capture
reload
Mode
16-bit
16-bit
Auto-
Off
RxCLK
TxCLK
Timer/counter2 operating modes
1. ↓ = falling edge
Figure 24. Timer 2 in Capture mode
or
0
0
0
0
0
0
1
1
x
T2EX pin
T2CON
T2 pin
CP/R
L2
f
OSC
0
0
0
0
1
1
x
x
x
Transition
Detector
TR2
÷ 12
1
1
1
1
1
1
1
1
0
T2MOD
DECN
EXEN2
C/T2 = 0
C/T2 = 1
TR2
0
0
1
1
x
x
x
x
x
T2CON
EXEN
Control
Control
0
1
0
1
0
1
x
x
x
Capture
T2EX
P1.1
x
0
1
x
x
x
¯
¯
¯
RCAP2L RCAP2H
(8 bits)
TL2
Reload upon overflow
Reload trigger (falling
edge)
Down counting
Up counting
16-bit Timer/Counter
(only up counting)
Capture (TH1,TL2) →
(RCAP2H,RCAP2L)
No overflow interrupt
request (TF2)
Extra External Interrupt
(Timer 2)
Timer 2 stops
UPSD3234A, UPSD3234BV, UPSD3233B,
(8 bits)
TH2
Remarks
EXP2
TF2
Internal
f
f
f
OSC
OSC
OSC
—
Input clock
/12
/12
/12
AI06625
Timer 2
Interrupt
(P1.0/T2)
External
f
f
f
OSC
OSC
OSC
MAX
MAX
MAX
—
/24
/24
/24