AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 60
![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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AT83R5122, AT8xC5122/23
Table 38. Port Mode Register 1 - PMOD1 (84h) for AT8xC5122
Reset Value = 0000 0000b
Table 39. Port Mode Register 1 - PMOD1 (84h) for AT83C5123
Reset Value = xxxx 00xxb
Bit Number
Bit Number
P5HC1
7
7
7 - 6
5 - 4
3 - 2
1 - 0
7 - 4
3 - 2
1 - 0
-
P5HC0
Bit Mnemonic
P5MC1-P5MC0
Bit Mnemonic
P5HC1-P5HC0
P5LC1-P5LC0
P5LC1-P5LC0
6
P4C1-P4C0
6
-
P5MC1
5
5
-
Description
Port 5 High Configuration bits (Applicable from P5.6 to P5.7 only)
00 Quasi bi-directional
01 Push-pull
10 Input with weak pull-down
11 Input with weak pull-up
Port 5 Medium Configuration bits (Applicable from P5.3 to P5.5 only)
00 Quasi bi-directional
01 Push-pull
10 Input with weak pull-down
11 Input with weak pull-up
Port 5 Low Configuration bits (Applicable from P5.0 to P5.2 only)
00 Quasi bi-directional
01 Push-pull
10 Input with medium pull-up
11 Input with weak pull-up
Port 4 Configuration bits (Applicable from P4.3 to P4.5 only)
00 Quasi bi-directional
01 Push-pull
10 Output Low Speed
11 Input with medium pull-up
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Port 5 Low Configuration bits (Applicable from P5.0 to P5.2 only)
00 Quasi bi-directional
01 Push-pull
10 Input with medium pull-up
11 Input with weak pull-up
Reserved
The value read from this bit is indeterminate. Do not set this bit.
P5MC0
4
4
-
P5LC1
P5LC1
3
3
P5LC0
P5LC0
2
2
P4C1
1
1
-
4202F–SCR–07/2008
P4C0
0
0
-
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