ATTINY4-TS8R Atmel, ATTINY4-TS8R Datasheet - Page 107
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ATTINY4-TS8R
Manufacturer Part Number
ATTINY4-TS8R
Description
IC MCU AVR 512B FLASH SOT-23-6
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY9-MAHR.pdf
(169 pages)
Specifications of ATTINY4-TS8R
Package / Case
SOT-23-6
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
12MHz
Number Of I /o
4
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32 x 8
Program Memory Size
512B (512 x 8)
Oscillator Type
Internal
Peripherals
POR, PWM, WDT
Core Size
8-Bit
Processor Series
ATTINY4x
Core
AVR8
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY4-TS8R
Manufacturer:
ADI
Quantity:
635
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- Download datasheet (5Mb)
14.7.3
8127D–AVR–02/10
TPISR – Tiny Programming Interface Status Register
• Bits 2:0 – GT[2:0]: Guard Time
These bits specify the number of additional IDLE bits that are inserted to the idle time when
changing from reception mode to transmission mode. Additional delays are not inserted when
changing from transmission mode to reception.
The total idle time when changing from reception to transmission mode is Guard Time plus two
IDLE bits.
Table 14-13. Guard Time Settings
The default Guard Time is 128 IDLE bits. To speed up the communication, the Guard Time
should be set to the shortest safe value.
• Bits 7:2, 0 – Res: Reserved Bits
These bits are reserved and will always read zero.
• Bit 1 – NVMEN: Non-Volatile Memory Programming Enabled
NVM programming is enabled when this bit is set. The external programmer can poll this bit to
verify the interface has been successfully enabled.
NVM programming is disabled by writing this bit to zero.
Bit
CSS: 0x00
Read/Write
Initial Value
GT2
0
0
0
0
1
1
1
1
Table 14-13
R
7
–
0
shows the available Guard Time settings.
R
6
–
0
GT1
0
0
1
1
0
0
1
1
R
5
–
0
R
4
–
0
GT0
0
1
0
1
0
1
0
1
R
3
–
0
Guard Time (Number of IDLE bits)
+128 (default value)
+64
+32
+16
+8
+4
+2
+0
R
2
–
0
NVMEN
R/W
1
0
ATtiny4/5/9/10
R
0
–
0
TPIPCR
107
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