AT89C5130A-M Atmel Corporation, AT89C5130A-M Datasheet - Page 22

• Manufacturer Part Number: AT89C5130A-M
• Manufacturer: Atmel Corporation

Specifications of AT89C5130A-M

• Flash (kbytes): 16 Kbytes
• Max. Operating Frequency: 48 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 1024
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

Table 6-4.
22
Mnemonic
T2MOD
T2CON
TMOD
TCON
TH0
TH1
TH2
TL0
TL1
TL2
AT89C5130A/31A-M
Timer SFR’s
CDh
CCh
Add
8Ch
8Dh
C8h
C9h
8Ah
8Bh
88h
89h
Name
Timer/Counter 0 High byte
Timer/Counter 0 Low byte
Timer/Counter 1 High byte
Timer/Counter 1 Low byte
Timer/Counter 2 High byte
Timer/Counter 2 Low byte
Timer/Counter 0 and 1
control
Timer/Counter 0 and 1
Modes
Timer/Counter 2 control
Timer/Counter 2 Mode
The Special Function Registers (SFRs) of the AT89C5131 fall into the following categories:
Table 6-2.
Table 6-3.
Mnemonic
Mnemonic
PSW
ACC
DPH
DPL
SP
P0
P1
P2
P3
P4
B
C51 Core SFRs
I/O Port SFRs
GATE1
Add
Add
E0h
F0h
D0h
A0h
B0h
C0h
81h
82h
83h
80h
90h
TF1
TF2
7
Name
Accumulator
B Register
Program Status
Word
Stack Pointer
LSB of SPX
Data Pointer
Low byte
LSB of DPTR
Data Pointer
High byte
MSB of DPTR
Name
Port 0
Port 1
Port 2
Port 3
Port 4 (2bits)
C/T1#
EXF2
TR1
6
RCLK
M11
TF0
5
7
7
TCLK
6
6
TR0
M01
4
5
5
EXEN2
GATE0
IE1
3
4
4
C/T0#
TR2
IT1
2
3
3
2
2
C/T2#
T2OE
M10
IE0
1
4337K–USB–04/08
1
1
CP/RL2#
DCEN
M00
IT0
0
0
0