AT83C5135 Atmel Corporation, AT83C5135 Datasheet - Page 6
AT83C5135
Manufacturer Part Number
AT83C5135
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT83C5134.pdf
(166 pages)
Specifications of AT83C5135
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)
16
Watchdog
Yes
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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
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