AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 409

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

32.6.4
Register Name:
Access Type:
• TCCLKS: Clock Selection
• CLKI: Clock Invert
0 = Counter is incremented on rising edge of the clock.
1 = Counter is incremented on falling edge of the clock.
• BURST: Burst Signal Selection
• LDBSTOP: Counter Clock Stopped with RB Loading
0 = Counter clock is not stopped when RB loading occurs.
1 = Counter clock is stopped when RB loading occurs.
6120H–ATARM–17-Feb-09
LDBDIS
WAVE
31
23
15
–
–
7
0
0
1
1
0
0
0
0
1
1
1
1
TC Channel Mode Register: Capture Mode
BURST
LDBSTOP
CPCTRG
TC_CMRx [x=0..2] (WAVE = 0)
Read-write
30
22
14
–
–
6
TCCLKS
0
1
0
1
0
0
1
1
0
0
1
1
The clock is not gated by an external signal.
XC0 is ANDed with the selected clock.
XC1 is ANDed with the selected clock.
XC2 is ANDed with the selected clock.
29
21
13
–
–
–
5
BURST
0
1
0
1
0
1
0
1
AT91SAM7X512/256/128 Preliminary
28
20
12
–
–
–
4
Clock Selected
TIMER_CLOCK1
TIMER_CLOCK2
TIMER_CLOCK3
TIMER_CLOCK4
TIMER_CLOCK5
XC0
XC1
XC2
CLKI
27
19
11
–
–
3
LDRB
ABETRG
26
18
10
–
2
TCCLKS
25
17
–
9
1
ETRGEDG
LDRA
24
16
–
8
0
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