attiny167-esxz ATMEL Corporation, attiny167-esxz Datasheet - Page 223

• Manufacturer Part Number: attiny167-esxz
• Description: 8-bit Avr 8-bit Microcontroller Microcontroller With 16k Bytes In-system Programmable Flash And Lin Controller
• Manufacturer: ATMEL Corporation

7728A–AUTO–07/08
eight bits are required to address words in the page (pagesize < 256), the most significant bit(s)
in the address low byte are used to address the page when performing a Page Write.
G. Load Address High byte
1. Set XA1, XA0 to “0,0”. This enables address loading.
2. Set BS1 to “1”. This selects high address.
3. Set DATA = Address high byte (0x00 - 0xFF).
4. Give XTAL1 a positive pulse. This loads the address high byte.
H. Program Page
1. Give WR a negative pulse. This starts programming of the entire page of data. RDY/BSY
2. Wait until RDY/BSY goes high (See
I. Repeat B through H until the entire Flash is programmed or until all data has been
programmed.
J. End Page Programming
1. 1. Set XA1, XA0 to “1,0”. This enables command loading.
2. Set DATA to “0000 0000
3. Give XTAL1 a positive pulse. This loads the command, and the internal write signals are
Figure 21-2. Addressing the Flash Which is Organized in Pages
Note:
goes low.
reset.
1. PCPAGE and PCWORD are listed in
PROGRAM COUNTER
PROGRAM MEMORY
PAGE
PAGE ADDRESS
WITHIN THE FLASH
PCMSB
b
”. This is the command for No Operation.
PCPAGE
Figure 21-3
PAGEMSB
PCWORD
WORD ADDRESS
WITHIN A PAGE
for signal waveforms).
INSTRUCTION WORD
PAGE
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
ATtiny167
223