at83c5132 ATMEL Corporation, at83c5132 Datasheet - Page 10

• Manufacturer Part Number: at83c5132
• Description: Usb Microcontroller With 64k Bytes Flash Memory
• Manufacturer: ATMEL Corporation

Internal Pin Structure
12
AT89C5132
Table 16. Detailed Internal Pin Structure
Notes:
Latch Output
1. For information on resistors value, input/output levels, and drive capability, refer to
2. When the Two Wire controller is enabled, P
3. In Port 2, P
the Section “DC Characteristics”, page 183.
allowing pseudo open-drain structure.
(A15:8).
Watchdog Output
1
transistor is continuously driven when outputting a high level bit address
VDD
periods
Circuit
2 osc
(1)
VDD
VSS
VDD
VSS
P
N
P
N
P
VSS
VDD
N
1
VDD
VSS
D+
D-
P
P
VDD
2
P
VDD
3
1
, P
2
, and P
3
transistors are disabled
Input/Output
Input/Output
Input/Output
Input/Output
Output
Type
Input
4173CS–USB–07/04
MCMD
DOUT
MDAT
PSEN
DCLK
MCLK
P53:0
SCLK
DSEL
Pins
P1
P2
RST
TST
ALE
ISP
P3
P4
P0
D+
D-
(2)
(3)