AT91SAM7X128-CU Atmel, AT91SAM7X128-CU Datasheet - Page 122

• Manufacturer Part Number: AT91SAM7X128-CU
• Description: MCU ARM 128K HS FLASH 100-TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X128-CU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7X-EK - KIT EVAL FOR AT91SAM7X256/128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Table 20-4.
20.2.4.2
122
Step
1
2
3
4
5
6
AT91SAM7X512/256/128 Preliminary
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Releases MODE and DATA signals
Sets NCMD signal
Waits for RDY high
Read Handshaking
Write Handshake
Figure 20-2. Parallel Programming Timing, Write Sequence
For details on the read handshaking sequence, refer to
Figure 20-3.
MODE[3:0]
DATA[15:0]
MODE[3:0]
DATA[15:0]
NVALID
NVALID
NCMD
NCMD
Parallel Programming Timing, Read Sequence
NOE
RDY
NOE
RDY
1
1
Waits for NCMD low
Latches MODE and DATA
Clears RDY signal
Executes command and polls NCMD high
Executes command and polls NCMD high
Sets RDY
Device Action
2
2
Adress IN
ADDR
3
3
4
5
Z
6
Figure 20-3
4
7
Data OUT
8
5
9
and
Data I/O
Input
Input
Input
Input
Input
Input
10
11
Table
X
12
6120H–ATARM–17-Feb-09
20-5.
13
IN