AT89LP216 Atmel Corporation, AT89LP216 Datasheet - Page 69

• Manufacturer Part Number: AT89LP216
• Manufacturer: Atmel Corporation

Specifications of AT89LP216

• Flash (kbytes): 2 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 14
• Spi: 1
• Uart: 1
• Sram (kbytes): 0.125
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 2
• Isp: SPI/OCD
• Watchdog: Yes

Table 24-2.
Notes:
3621E–MICRO–11/10
Command
Program Enable
Chip Erase
Read Status
Load Page Buffer
Write Code Page
Write Code Page with Auto-Erase
Read Code Page
Write User Fuses
Write User Fuses with Auto-Erase
Read User Fuses
Write Lock Bits
Read Lock Bits
Write User Signature Page
Write User Signature Page with Auto-Erase
Read User Signature Page
Read Atmel Signature Page
1. Program Enable must be the first command issued after entering into programming mode.
2. Any number of Data bytes from 1 to 32 may be written/read. The internal address is incremented between each byte.
3. Each byte address selects one fuse or lock bit. Data bytes must be 00h or FFh.
4. See
5. See
6. Atmel Signature Bytes:
7. Symbol Key:
Programming Command Summary
(2)(3)(5)
(2)(3)(5)
AT89LP216:
Table 24-5 on page 71
Table 24-4 on page 70
(1)
(2)
(2)
(2)
(2)(3)(4)
(2)(3)(4)
a:
b:
x:
(2)
(2)
(2)(6)
Page Address Bit
Byte Address Bit
Don’t Care Bit
Address
(2)
(2)(3)(4)
for Fuse definitions.
for Lock Bit definitions.
00H = 1EH
01H = 29H
02H = FFH
(2)
1010 1100
1000 1010
0110 0000
0101 0001
0101 0000
0111 0000
0011 0000
1110 0001
1111 0001
0110 0001
1110 0100
0110 0100
0101 0010
0111 0010
0011 0010
0011 1000
Opcode
Addr High
0101 0011
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
xxxx xaaa
xxxx xaaa
xxxx xaaa
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
–
aaab bbbb
aaab bbbb
aaab bbbb
000b bbbb
000b bbbb
000b bbbb
000b bbbb
000b bbbb
Addr Low
xaab bbbb
xaab bbbb
xaab bbbb
xxxb bbbb
xxxb bbbb
xxxx xxxx
–
–
DataOut 0 ... DataOut n
DataOut 0 ... DataOut n
DataOut 0 ... DataOut n
DataOut 0 ... DataOut n
DataOut 0 ... DataOut n
Data 0
DataIn 0 ... DataIn n
DataIn 0 ... DataIn n
DataIn 0 ... DataIn n
DataIn 0 ... DataIn n
DataIn 0 ... DataIn n
DataIn 0 ... DataIn n
DataIn 0 ... DataIn n
DataIn 0 ... DataIn n
–
–
AT89LP216
Status Out
Data n
–
–
69