AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 54
![IC 8051 MCU FLASH 32K 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT89C5122D-PSTUM
Manufacturer Part Number
AT89C5122D-PSTUM
Description
IC 8051 MCU FLASH 32K 64QFN
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C5122D-PSTUM.pdf
(208 pages)
Specifications of AT89C5122D-PSTUM
Core Processor
8051
Core Size
8-Bit
Speed
48MHz
Connectivity
SmartCard, SPI, UART/USART, USB
Peripherals
LED, POR, WDT
Number Of I /o
46
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFN
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
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Port 4
Port 5
54
AT83R5122, AT8xC5122/23
Port 4 has the following functions:
Port 4 has the following configurations:
Table 33. Port 4 Description
Port 5 has the following functions:
Port 5 has the following configurations:
Table 34. Port 5 Description
Port
P5.0
P5.1
P5.2
P5.3
P5.4
P5.5
P5.6
P5.7
Port
P4.0
P4.1
P4.2
P4.3
P4.4
P4.5
–
–
–
–
–
–
–
–
Default function: Port 4 is an 6-bit I/O port.
Alternate functions: see table below
Default configuration: Pseudo bi-directional “Port51” digital input/output with
internal pull-ups.
Alternate configurations: See Table 33.
Default function: Port 5 is an 8-bit I/O port.
Alternate function 1: Port 5 is an 8-bit keyboard port KB0 to KB7.
Default configuration: Pseudo bi-directional “Port51” digital input/output with
internal pull-ups.
Alternate configuration: see Table 34.
Alternate Functions
Signal
MISO
MOSI
SCK
Configurations
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Mode 1
Description
SPI Master In Slave Out I/O
SPI Master Out Slave In I/O
SPI clock
Input WPD
Input WPD
Input WPD
Input WPD
Input WPD
Input MPU
Input MPU
Input MPU
Mode 2
Configurations
Push-pull
Push-pull
Push-pull
Mode 1
Input WPU
Input WPU
Input WPU
Input WPU
Input WPU
Input WPU
Input WPU
Input WPU
Mode 3
KB_OUT
KB_OUT
KB_OUT
Mode 2
Comments
First cluster
Second cluster
Third cluster
4202F–SCR–07/2008
Input MPU
Input MPU
Input MPU
Mode 3
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