M55800A Atmel Corporation, M55800A Datasheet - Page 19

• Manufacturer Part Number: M55800A
• Manufacturer: Atmel Corporation

Specifications of M55800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 176
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 58
• Ext Interrupts: 58
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 3
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 72
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• 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

Table 27. EBI Read Signals
Notes:
1727E–ATARM–01/04
Symbol
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
21
22
23
24
25
26
27
28
29
30
31
32
33
34
1. Early Read Protocol.
2. Standard Read Protocol.
3. The derating factor is not to be applied to t
4. n =number of standard Wait States inserted.
5. Only one of these two timings needs to be met.
Parameter
MCK Falling to NRD Active
MCK Rising to NRD Active
MCK Falling to NRD Inactive
MCK Falling to NRD Inactive
D0-D15 in Setup before MCK Falling
D0-D15 in Hold after MCK Falling
NRD High to NUB Change
NRD High to NLB/A0 Change
NRD High to A1-A23 Change
NRD High to Chip Select Inactive
Data Setup before NRD High
Data Hold after NRD High
NRD Minimum Pulse Width
NRD Minimum Pulse Width
(5)
(2)
(1)
(1) (3)
(2) (3)
(1)
(2)
(5)
(5)
(5)
CHMCK
Conditions
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
NRD
NRD
NRD
NRD
NRD
NRD
NRD
NRD
NUB
NUB
NLB
NLB
ADD
ADD
NCS
NCS
NRD
NRD
NRD
NRD
NRD
NRD
NRD
NRD
or t
= 0 pF
derating
derating
derating
derating
derating
= 0 pF
= 0 pF
= 0 pF
= 0 pF
= 0 pF
= 0 pF
derating
derating
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
CPMCK
.
(n
+ (t
+
1)
CHMCK
n
x
-0.053
-0.009
-0.009
t
x
0.059
0.059
0.053
0.053
0.053
0.059
0.059
0.053
0.083
CPMCK
Min
-2.2
-3.6
8.5
7.7
8.3
7.9
6.8
4.7
4.5
4.4
t
11
CPMCK
5
- 1.7)
- 1.5
(4)
AT91M55800A
(4)
0.092
0.092
0.083
0.083
0.092
0.092
0.092
0.083
Max
14.5
14.2
14.5
12.4
9.6
7.4
8.5
8
Units
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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