AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 119
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AT91SAM7X128
Manufacturer Part Number
AT91SAM7X128
Description
MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
Manufacturer
Atmel
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
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
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20. Fast Flash Programming Interface (FFPI)
20.1
20.2
20.2.1
6120H–ATARM–17-Feb-09
Overview
Parallel Fast Flash Programming
Device Configuration
The Fast Flash Programming Interface provides two solutions - parallel or serial - for high-vol-
ume programming using a standard gang programmer. The parallel interface is fully
handshaked and the device is considered to be a standard EEPROM. Additionally, the parallel
protocol offers an optimized access to all the embedded Flash functionalities. The serial inter-
face uses the standard IEEE 1149.1 JTAG protocol. It offers an optimized access to all the
embedded Flash functionalities.
Although the Fast Flash Programming Mode is a dedicated mode for high volume programming,
this mode not designed for in-situ programming.
In Fast Flash Programming Mode, the device is in a specific test mode. Only a certain set of pins
is significant, the rest of the PIOs are used as inputs with a pull-up. The crystal oscillator is in
bypass mode. Other pins must be left unconnected.
Figure 20-1. Parallel Programming Interface
MODE[3:0]
DATA[15:0]
0 - 50MHz
NVALID
VDDIO
VDDIO
VDDIO
NCMD
NOE
RDY
AT91SAM7X512/256/128 Preliminary
PGMD[15:0]
TST
PGMEN0
PGMEN1
PGMNCMD
PGMRDY
PGMNOE
PGMNVALID
PGMM[3:0]
XIN
VDDCORE
VDDIO
VDDPLL
VDDFLASH
GND
119
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