TINY88-15MZ Atmel, TINY88-15MZ Datasheet - Page 159
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
TINY88-15MZ
Manufacturer Part Number
TINY88-15MZ
Description
MCU AVR 8KB FLASH 12MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.TINY88-15MZ.pdf
(246 pages)
Specifications of TINY88-15MZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
28
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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15.9.7
9157B–AVR–01/10
TWHSR – TWI High Speed Register
• Bits 7..1 – Res: Reserved Bits
These bits are reserved and will always read zero.
• Bit 0 – TWHS: TWI High Speed Enable
TWI High Speed mode is enabled by writing this bit to one. In this mode the undivided system
clock is selected as TWI clock. See
The TWI High Speed mode requires that the high-speed clock, clk
higher than the I/O clock frequency, clk
frequency clk
been selected as source clock, the user must set the prescaler to scale the system clock (and,
hence, the I/O clock) down to 4 MHz. For more information about clock systems, see
Systems and their Distribution” on page
Bit
Read/Write
Initial Value
I/O
is scaled down by a factor of 2. For example, if the internal 8 MHz oscillator has
R
7
–
0
R
6
–
0
R
5
–
0
Figure 6-1 on page
I/O
26.
. This means the user must make sure the I/O clock
R
4
–
0
R
3
–
0
ATtiny88 Automotive
26.
R
2
–
0
TWIHS
R
1
–
0
, is exactly two times
TWHS
R/W
0
0
TWHSR
“Clock
159
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