AT83C5136 Atmel Corporation, AT83C5136 Datasheet - Page 6

• Manufacturer Part Number: AT83C5136
• Manufacturer: Atmel Corporation

Specifications of AT83C5136

• Max. Operating Frequency: 32 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): 512
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 4
• Mask Rom (kbytes): 32
• Watchdog: Yes

4.2
6
Signals
AT83C5134/35/36
Figure 4-4.
All the AT83C5134/35/36 signals are detailed by functionality on Table 4-1 through Table 4-12.
Table 4-1.
Table 4-2.
KIN[7:0)
CEX[4:0]
Signal
Name
Signal
Name
ECI
Type
Note : The metal plate can be connected to Vss
Type
I
I/O
AT83C5134/35/36 32-pin QFN Pinout
Keypad Interface Signal Description
Programmable Counter Array Signal Description
I
Description
Keypad Input Lines
Holding one of these pins high or low for 24 oscillator periods triggers a keypad
interrupt if enabled. Held line is reported in the KBCON register.
Description
External Clock Input
Capture External Input
Compare External Output
P4.1/SDA
P3.0/RxD
XTAL2
XTAL1
AVDD
AVSS
PLLF
VDD
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
QFN32
24
23
22
21
20
19
18
17
P1.0/T2/KIN0
RST
NC
VSS
VSS
P3.7/RD/LED3
P3.6/WR/LED2
P3.5/T1/LED1
7683C–USB–11/07
Alternate
Alternate
Function
Function
P1[7:0]
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7