M42800A Atmel Corporation, M42800A Datasheet - Page 56
M42800A
Manufacturer Part Number
M42800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M42800A.pdf
(224 pages)
4.M42800A.pdf
(27 pages)
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
- Current page: 56 of 284
- Download datasheet (2Mb)
Programmer’s Model
2.6.2
2-10
System and User
r0
r1
r2
r3
r4
r5
r6
r7
SP
LR
PC
The Thumb-state register set
= banked register
CPSR
The Thumb-state register set is a subset of the ARM-state set. The programmer has
access to:
•
•
•
•
•
There are banked SPs, LRs, and SPSRs for each privileged mode. This register set is
shown in Figure 2-4.
SPSR_fiq
r0
r1
r2
r3
r4
r5
r6
r7
SP_fiq
LR_fiq
PC
Thumb-state general registers and program counter
CPSR
FIQ
8 general registers, r0–r7
the PC
the SP
the LR
the CPSR.
Thumb-state program status registers
Copyright © 1994-2001. All rights reserved.
Supervisor
SPSR_svc
r0
r1
r2
r3
r4
r5
r6
r7
SP_svc
LR_svc
PC
CPSR
Figure 2-4 Register organization in Thumb state
SPSR_abt
r0
r1
r2
r3
r4
r5
r6
r7
SP_abt
LR_abt
PC
CPSR
Abort
SPSR_irq
r0
r1
r2
r3
r4
r5
r6
r7
SP_irq
LR_irq
PC
CPSR
IRQ
ARM DDI 0029G
Undefined
SPSR_und
r0
r1
r2
r3
r4
r5
r6
r7
SP_und
LR_und
PC
CPSR
Related parts for M42800A
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
U6046BREAR WINDOW HEATING TIMER / LONG-TERM TIMER
Manufacturer:
ATMEL Corporation
Datasheet: