AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 10

• 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

4.2
10
Internal Pin Structure
AT89C5132
Table 15. Detailed Internal Pin Structure
Notes:
Latch Output
1. For information on resistors value, input/output levels, and drive capability, refer to the
2. When the Two Wire controller is enabled, P
3. In Port 2, P
Section “DC Characteristics”, page 183.
pseudo open-drain structure.
Watchdog Output
1
transistor is continuously driven when outputting a high level bit address (A15:8).
VDD
periods
2 osc
Circuit
VDD
VSS
VDD
VSS
P
N
P
N
P
VSS
VDD
N
(1)
1
VDD
VSS
D+
D-
P
P
VDD
2
P
VDD
3
1
, P
2
, and P
3
transistors are disabled allowing
Input/Output
Input/Output
Input/Output
Input/Output
Output
Type
Input
4173ES–USB–09/07
MCMD
DOUT
MDAT
PSEN
DCLK
MCLK
P53:0
SCLK
DSEL
Pins
P1
P2
RST
TST
ALE
ISP
P3
P4
P0
D+
D-
(2)
(3)