AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 26

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

Figure 6-14. SPI Master Waveforms (SSCPHA = 0)
Note:
Figure 6-15. SPI Master Waveforms (SSCPHA = 1)
Note:
6.3.4
6.3.4.1
26
1. SS handled by software using general purpose port pin.
1. SS handled by software using general purpose port pin.
AT89C5132
Two-wire Interface
Timings
(SSCPOL = 0)
(SSCPOL = 1)
(SSCPOL = 0)
(SSCPOL = 1)
(output)
(output)
(output)
(output)
(output)
(input)
(input)
(input)
(input)
(input)
MISO
MOSI
SCK
SCK
SCK
SCK
SS1
SS1
SO
SI
Table 17. TWI Interface AC Timing
Port Data
T
T
SLCH
SLCL
1
T
SLOV
T
T
CHCX
CHCX
SLAVE MSB OUT
T
T
T
T
IVCH
IVCH
IVCL
IVCL
MSB IN
MSB IN
T
T
MSB OUT
T
T
CHCH
CHCH
CLOV
CHOV
T
T
T
T
T
T
CHIX
CHIX
CLIX
CLIX
CLCX
CLCX
BIT 6
BIT 6
T
T
T
T
CLOX
CHOX
CHOV
CLOV
BIT 6
BIT 6
T
T
SLAVE LSB OUT
T
T
CLCH
CHCL
CLCH
CHCL
LSB IN
LSB IN
LSB OUT
T
T
CHOX
CLOX
T
T
CLSH
CHSH
T
SHSL
T
Port Data
SHOX
4173ES–USB–09/07