AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 2

• 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

3. Block Diagram
Figure 3-1.
Notes:
2
1. Alternate function of Port 3
2. Alternate function of Port 4
3. Alternate function of Port 1
FILT
AT89C5132
C51 (X2 CORE)
INT0
1
Clock and PLL
Handler Unit
AT89C5132 Block Diagram
X1
Interrupt
Unit
INT1
1
X2
RST
V
DD
V
2304 Bytes
SS
RAM
DOUT
UV
DD
Audio Interface
DCLK
UVSS
I
2
S/PCM
Flash Boot
64K Bytes
4K Bytes
DSEL
AV
Flash
DD
SCLK
AVSS
Controller
10-bit A-to-D
AREF
D+
Converter
8-BIT INTERNAL BUS
USB
D-
AIN1:0
MCLK
TXD
1
Interface
UART
BRG
and
MMC
MDAT
RXD
1
MCMD
Timers 0/1
Watchdog
1
T0
Keyboard
Interface
1
T1
KIN3:0
3
2
SS
SPI/DataFlash
MISO
2
Controller
Interface
P0 - P5
Ports
MOSI
IDE
I/O
2
SCK
2
Controller
SCL SDA
1
TWI
1
4173ES–USB–09/07