SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 47
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SAM4S16C
Manufacturer Part Number
SAM4S16C
Description
Manufacturer
Atmel Corporation
Specifications of SAM4S16C
Flash (kbytes)
1024 Kbytes
Pin Count
100
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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11.4.1.8
Name:
Access:
Reset:
The Program Status Register (PSR) combines:
These registers are mutually exclusive bitfields in the 32-bit PSR.
Access these registers individually or as a combination of any two or all three registers, using the register name as an argu-
ment to the MSR or MRS instructions. For example:
The PSR combinations and attributes are:
Notes:
See the instruction descriptions
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
Name
PSR
IEPSR
IAPSR
EAPSR
• Application Program Status Register (APSR)
• Interrupt Program Status Register (IPSR)
• Execution Program Status Register (EPSR).
• read all of the registers using PSR with the MRS instruction
• write to the APSR N, Z, C, V and Q bits using APSR_nzcvq with the MSR instruction.
31
23
15
N
7
1. he processor ignores writes to the IPSR bits.
2. Reads of the EPSR bits return zero, and the processor ignores writes to the these bits
Access
Read-write
Read-only
Read-write
Read-write
Program Status Register
PSR
Read-write
0x000000000
30
22
14
(1)(2)
(1)
(2)
Z
6
Combination
APSR, EPSR, and IPSR
EPSR and IPSR
APSR and IPSR
APSR and EPSR
“MRS”
29
21
13
C
5
and
ICI/IT
“MSR”
for more information about how to access the program status registers.
28
20
12
V
4
ISR_NUMBER
–
27
19
11
Q
3
26
18
10
2
ICI/IT
25
17
9
–
1
ISR_NUMBER
SAM4S
SAM4S
24
16
T
8
0
47
47
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