AT32UC3B1128-Z1UR Atmel, AT32UC3B1128-Z1UR Datasheet - Page 253
AT32UC3B1128-Z1UR
Manufacturer Part Number
AT32UC3B1128-Z1UR
Description
MCU AVR32 128K FLASH 48-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B1128-Z1UR
Package / Case
48-QFN Exposed Pad
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
28
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32K x 8
Program Memory Size
128KB (128K x 8)
Data Converters
A/D 6x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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19.14.5
Name:
Access:
Offset:
Reset Value: 0x00000000
CWGR is only used in Master mode.
•
•
•
32059J–12/2010
T
T
low
high
CKDIV: Clock Divider
CHDIV: Clock High Divider
CLDIV: Clock Low Divider
=
=
31
23
15
–
7
(
(
The CKDIV is used to increase both SCL high and low periods.
The SCL high period is defined as follows:
(
The SCL low period is defined as follows:
CLDIV
(
CHDIV
Clock Waveform Generator Register
CWGR
Read-write
0x10
×
×
2
CKDIV
2
CKDIV
30
22
14
–
6
)
+
)
+
4 )
4 )
×
×
T
MCK
T
MCK
29
21
13
–
5
28
20
12
–
4
CHDIV
CLDIV
27
19
11
–
3
26
18
10
–
2
CKDIV
25
17
–
9
1
AT32UC3B
24
16
–
8
0
253
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