AT91R40807-33AI Atmel, AT91R40807-33AI Datasheet - Page 136

• Manufacturer Part Number: AT91R40807-33AI
• Description: IC ARM7 MCU 176 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91R40807-33AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 136K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

• LDBDIS: Counter Clock Disable with RB Loading (Code Label TC_LDBDIS)
0 = Counter clock is not disabled when RB loading occurs.
1 = Counter clock is disabled when RB loading occurs.
• ETRGEDG: External Trigger Edge Selection
•
• CPCTRG: RC Compare Trigger Enable (Code Label TC_CPCTRG)
0 = RC Compare has no effect on the counter and its clock.
1 = RC Compare resets the counter and starts the counter clock.
• WAVE = 0 (Code Label TC_WAVE)
0 = Capture Mode is enabled.
1 = Capture Mode is disabled (Waveform Mode is enabled).
•
•
136
ABETRG
0
1
ABETRG: TIOA or TIOB External Trigger Selection
LDRA: RA Loading Selection
LDRB: RB Loading Selection
0
0
1
1
0
0
1
1
0
0
1
1
ETRGEDG
LDRA
LDRB
AT91X40 Series
0
1
0
1
0
1
0
1
0
1
0
1
None
Rising Edge
Falling Edge
Each Edge
Edge
None
Rising edge of TIOA
Falling edge of TIOA
Each edge of TIOA
Edge
Selected ABETRG
TIOB is used as an external trigger.
TIOA is used as an external trigger.
Edge
None
Rising edge of TIOA
Falling edge of TIOA
Each edge of TIOA
TC_ETRGEDG_FALLING_EDGE
TC_ETRGEDG_RISING_EDGE
TC_LDRA_FALLING_EDGE
TC_LDRB_FALLING_EDGE
TC_ETRGEDG_EDGE_NONE
TC_ETRGEDG_BOTH_EDGE
TC_LDRB_RISING_EDGE
TC_LDRA_RISING_EDGE
TC_LDRB_EDGE_NONE
TC_LDRB_BOTH_EDGE
TC_LDRA_EDGE_NONE
TC_LDRA_BOTH_EDGE
TC_ABETRG_TIOB
TC_ABETRG_TIOA
TC_ETRGEDG
Code Label
Code Label
TC_ABETRG
Code Label
Code Label
TC_LDRB
TC_LDRA
1354D–ATARM–08/02