AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 119

• Manufacturer Part Number: AT89C5131A-M
• Manufacturer: Atmel Corporation

Specifications of AT89C5131A-M

• Flash (kbytes): 32 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

4337K–USB–04/08
Table 20-12. SSCS (094h) Read - Synchronous Serial Control and Status Register
Table 20-13. SSADR (096h) - Synchronous Serial Address Register (read/write)
Bit Number
Bit Number
Bit Number
SC4
A7
1
0
7
0
1
2
3
4
5
6
7
7
7
6
5
4
3
2
1
0
Mnemonic
Mnemonic
Mnemonic
SD1
SD0
SC3
SC0
SC1
SC2
SC3
SC4
GC
Bit
Bit
A6
Bit
A7
A6
A5
A4
A3
A2
A1
6
0
0
0
6
Description
Address bit 1 or Data bit 1.
Address bit 0 (R/W) or Data bit 0.
Description
Always zero
Always zero
Always zero
Status Code bit 0
See Table 20-5 to Table 20-9
Status Code bit 1
See Table 20-5 to Table 20-9
Status Code bit 2
See Table 20-5 to Table 20-9
Status Code bit 3
See Table 20-5 to Table 20-9
Status Code bit 4
See Table 20-5 to Table 20-9
Description
Slave address bit 7.
Slave address bit 6.
Slave address bit 5.
Slave address bit 4.
Slave address bit 3.
Slave address bit 2.
Slave address bit 1.
General call bit
Clear to disable the general call address recognition.
Set to enable the general call address recognition.
SC2
A5
5
5
SC1
A4
4
4
SC0
A3
3
3
AT89C5130A/31A-M
A2
2
0
2
A1
1
0
1
A0
0
0
0
119