SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 771

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SAM4S16C

Manufacturer Part Number
SAM4S16C
Description
Manufacturer
Atmel Corporation
Datasheets

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
T
32.11.5
Name:
Address:
Access:
Reset:
TWI_CWGR is only used in Master mode.
• CLDIV: Clock Low Divider
The SCL low period is defined as follows:
• CHDIV: Clock High Divider
The SCL high period is defined as follows:
• CKDIV: Clock Divider
The CKDIV is used to increase both SCL high and low periods.
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
T
high
low
=
=
31
23
15
(
7
(
(
(
CLDIV
CHDIV
TWI Clock Waveform Generator Register
TWI_CWGR
0x40018010 (0), 0x4001C010 (1)
Read-write
0x00000000
×
×
2
2
CKDIV
CKDIV
30
22
14
6
)
)
+
+
4 )
4 )
×
×
T
T
MCK
MCK
29
21
13
5
28
20
12
4
CHDIV
CLDIV
27
19
11
3
26
18
10
2
CKDIV
25
17
9
1
SAM4S
SAM4S
24
16
8
0
771
771

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