AT89C51IC2 Atmel Corporation, AT89C51IC2 Datasheet - Page 127

• Manufacturer Part Number: AT89C51IC2
• Manufacturer: Atmel Corporation

Specifications of AT89C51IC2

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

Table 93. API Call Summary (Continued)
4301D–8051–02/08
READ BOOT VERSION
PROGRAM X2 FUSE
PROGRAM DATA
PROGRAM BLJB
READ BOOT ID1
READ BOOT ID2
READ HSB
Command
PAGE
FUSE
0Ah
0Ah
0Bh
0Eh
0Eh
R1
09h
0Fh
Fuse value
00h or 01h
Fuse value
00h or 01h
Number of
program
byte to
XXh
XXh
XXh
XXh
A
to program in
the first byte
Address of
DPL = 00h
DPL = 01h
the Flash
DPTR0
memory
XXXXh
XXXXh
0008h
0004h
XRAM of the
first data to
Address in
DPTR1
program
XXh
XXh
XXh
XXh
XXh
XXh
ACC = Boot_Version
Returned Value
ACC = 0: DONE
ACC = HSB
ACC = ID1
ACC = ID2
none
none
is 128, valid values of DPL are 00h, or, 80h.
limited such as the Flash write remains in a
single 128 bytes page. Hence, when ACC
Remark: number of bytes to program is
Program up to 128 bytes in user Flash.
Program BLJB fuse bit with ACC
Program X2 fuse bit with ACC
Read bootloader version
Read Hardware Byte
Command Effect
Read boot ID1
Read boot ID2
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