AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 417

• Manufacturer Part Number: AT91SAM7S256C-MU
• Description: IC ARM7 MCU 32BIT 256K 64-QFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256C-MU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K 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: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• Processor Series: AT91
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: SPI, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 5
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7S256-MU; AT91SAM7S256-MU

Table 32-3.
6175K–ATARM–30-Aug-10
Transmitter
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TFMR
SSC_TCMR
SSC_TCMR
Data Frame Registers
Receiver
SSC_RFMR
SSC_RFMR
SSC_RFMR
SSC_RFMR
SSC_RCMR
SSC_RCMR
Figure 32-13. Transmit and Receive Frame Format in Edge/Pulse Start Modes
Note:
Figure 32-14. Transmit Frame Format in Continuous Mode
(If FSDEN = 0)
(If FSDEN = 1)
TF/RF
1. Example of input on falling edge of TF/RF.
TD
RD
TD
Start
(1)
Field
DATLEN
DATNB
MSBF
FSLEN
DATDEF
FSDEN
PERIOD
STTDLY
From SSC_TSHR
To SSC_RSHR
Sync Data
Sync Data
FSLEN
TD
From DATDEF
STTDLY
Start: 1. TXEMPTY set to 1
Default
FromDATDEF
2. Write into the SSC_THR
Length
Up to 32
Up to 16
Up to 16
0 or 1
Up to 512
Up to 255
From SSC_THR
Default
Ignored
Start
DATLEN
Data
AT91SAM7S Series Preliminary
From SSC_THR
From SSC_THR
To SSC_RHR
DATLEN
Data
Data
Data
PERIOD
From SSC_THR
DATLEN
Comment
Size of word
Number of words transmitted in frame
Most significant bit first
Size of Synchro data register
Data default value ended
Enable send SSC_TSHR
Frame size
Size of transmit start delay
Data
DATNB
From SSC_THR
From SSC_THR
To SSC_RHR
DATLEN
Data
Data
Data
Default
FromDATDEF
Default
Ignored
Start
From DATDEF
Default
Sync Data
Sync Data
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