M42800A Atmel Corporation, M42800A Datasheet - Page 101

• 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

Table 15-2.
Note:
1779D–ATARM–14-Apr-06
Number
Bit
PIO Controller
10
11
12
13
14
15
16
17
18
19
20
21
22
23
0
1
2
3
4
5
6
7
8
9
1. The OFF value is the default level seen on the peripheral input when the PIO line is enabled.
Name
PB10
PB11
PB12
PB13
PB14
PB15
PB16
PB17
PB18
PB19
PB20
PB21
PB22
PB23
PIO Controller B Connection Table
Port
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
Port Name
A20/CS7
A21/CS6
A22/CS5
A23/CS4
TCLK0
TCLK1
TCLK2
TCLK3
TCLK4
TCLK5
TIOA0
TIOB0
TIOA1
TIOB1
TIOA2
TIOB2
TIOA3
TIOB3
TIOA4
TIOB4
TIOA5
TIOB5
NCS2
NCS3
Signal Description
Chip Select 2
Chip Select 3
Address 20/Chip Select 7
Address 21/Chip Select 6
Address 22/Chip Select 5
Address 23/Chip Select 4
Timer0 Clock Signal
Timer0 Signal A
Timer0 Signal B
Timer1 Clock Signal
Timer1 Signal A
Timer1 Signal B
Timer2 Clock Signal
Timer2 Signal A
Timer2 Signal B
Timer3 Clock Signal
Timer3 Signal A
Timer3 Signal B
Timer4 Clock Signal
Timer4 Signal A
Timer4 Signal B
Timer5 Clock Signal
Timer5 Signal A
Timer5 Signal B
Peripheral
Signal
Direction
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
OFF
Value
–
–
–
–
–
–
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
(1)
AT91M42800A
Reset State
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
PIO Input
NCS2
NCS3
A20
A21
A22
A23
Number
141
142
Pin
27
28
29
30
53
54
55
56
57
58
59
62
63
64
65
66
67
68
69
70
75
76
101