M42800A Atmel Corporation, M42800A Datasheet - Page 183

• Manufacturer Part Number: M42800A
• Manufacturer: Atmel Corporation

Specifications of M42800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 54
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Figure 19-3. SPI in Master Mode
1779D–ATARM–14-Apr-06
SP_MR(PCS)
MCK/32
MCK
MISO
SP_MR(PS)
SP_MR(MCK32)
SPIDIS
1
0
0
1
Master
SPIEN
Clock
SPI
R
S
SP_MR(MSTR)
SPCK Clock Generator
Q
LSB
SP_CSRx[15:0]
SP_RDR
SP_TDR
PCS
PCS
Serializer
TD
RD
MSB
SP_IMR
SP_IDR
SP_IER
SP_SR
M
O
D
F
T
D
R
E
R
D
R
F
SPIRQ
O
R
V
E
AT91M42800A
N
S
P
E
S
I
NPCS3
NPCS2
NPCS1
NPCS0
SPCK
MOSI
183