ATtiny167 Atmel Corporation, ATtiny167 Datasheet - Page 234
ATtiny167
Manufacturer Part Number
ATtiny167
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny167
Flash (kbytes)
16 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
3
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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21.7.5
234
ATtiny87/ATtiny167
Programming the EEPROM
PAGEL / BS1
RESET +12V
Figure 21-3. Programming the Flash Waveforms
Note:
The EEPROM is organized in pages, see
EEPROM, the program data is latched into a page buffer. This allows one page of data to be
programmed simultaneously. The programming algorithm for the EEPROM data memory is as
follows (refer to
Data loading):
A: Load Command “0001 0001
G: Load Address High Byte (0x00 - 0xFF).
B: Load Address Low Byte (0x00 - 0xFF).
C: Load Data (0x00 - 0xFF).
E: Latch data (give PAGEL a positive pulse).
K: Repeat A through E until the entire buffer is filled.
L: Program EEPROM page
XA1 / BS2
RDY/BSY
1. Set BS1 to “0”.
2. Give WR a negative pulse. This starts programming of the EEPROM page. RDY/BSY
3. Wait until to RDY/BSY goes high before programming the next page (See
XTAL1
DATA
XA0
WR
OE
goes low.
21-4
1. “XX” is don’t care. The letters refer to the programming description above.
for signal waveforms).
0x10
A
“Programming the Flash” on page 232
ADDR. LOW
B
DATA LOW
C
DATA HIGH
D
b
”.
E
XX
ADDR. LOW
B
Table 21-8 on page
DATA LOW
C
(1)
F
DATA HIGH
D
for details on Command, Address and
XX
E
228. When programming the
ADDR. HIGH
G
H
XX
Figure
8265B–AVR–09/10
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