AT91M63200-25AI Atmel, AT91M63200-25AI Datasheet - Page 96

• Manufacturer Part Number: AT91M63200-25AI
• Description: IC ARM7 MCU 176 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M63200-25AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 58
• Program Memory Type: OTP
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-TQFP, 176-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Slave Mode
In slave mode, the SPI waits for NSS to go active low
before receiving the serial clock from an external master.
Figure 49. SPI in Slave Mode
96
SPIDIS
SCK
NSS
MOSI
AT91M63200
SPIEN
S
R
Q
LSB
SP_RDR
SP_TDR
Serializer
RD
TD
MSB
In s la ve mode , CPO L, N CPHA and BITS fiel ds of
SP_CSR0 are used to define the transfer characteristics.
The other chip select registers are not used in slave mode.
SP_IMR
SP_IDR
SP_IER
SP_SR
S
P
E
N
S
I
T
D
R
E
R
D
R
F
O
R
V
E
SPIRQ
MISO