AT89C5122D-RDRIM Atmel, AT89C5122D-RDRIM Datasheet - Page 34
![IC MCU 80C51 W/SMART CARD 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5122D-RDRIM
Manufacturer Part Number
AT89C5122D-RDRIM
Description
IC MCU 80C51 W/SMART CARD 64VQFP
Manufacturer
Atmel
Series
89Cr
Specifications of AT89C5122D-RDRIM
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-TQFP, 64-VQFP
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89C5122DRDRIMTR
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SFR’s Description
Table 10. C51 Core SFRs
Table 11. Clock SFRs
Table 12. I/O Port SFRs
34
Mnemonic
ACC
B
PSW
SP
DPL
DPH
Mnemonic
PCON
CKCON0
CKCON1
CKSEL
CKRL
PLLCON
PLLDIV
AUXR
AUXR1
RCON
Mnemonic
P0
P1
P2
P3
P4
P5
PMOD0
PMOD1
(1)
(1)
(1)
(1)
AT83R5122, AT8xC5122/23
Add Name
Add Name
Add Name
D0h Program Status Word
AFh Clock Controller 1
D1h
E0h Accumulator
F0h B Register
87h Power Controller
8Fh Clock Controller 0
A3h PLL Controller Register
A4h PLL Divider register
8Eh Auxiliary Register 0
A2h Auxiliary Register 1
81h Stack Pointer
82h
83h
85h Clock Selection
97h Clock Reload Register
A0h Port 2
B0h Port 3
C0h Port 4
E8h Port 5
80h Port 0
90h Port 1
91h Port Mode Register 0
84h Port Mode Register 1
Data Pointer Low byte (LSB
of DPTR)
Data Pointer High byte
(MSB of DPTR)
CRAM memory
Configuration
Note:
Note:
P5HC1
P3C1
7
SMOD1
DPU
1. Only for AT8xC5122
1. Only for AT8xC5122
7
(1)
CY
7
P5HC0
P3C0
6
SMOD0
WDX2
6
(1)
AC
6
R3-0
P5MC1
P2C1
ENBOOT
5
(1)
(1)
5
F0
5
P5 (only P5.0 for AT8xC5122)
(1)
P5MC0
P2C0
4
SIX2
(1)
POF
RS1
(1)
4
4
P0
P1
P2
P3
P4
CPRESRES
ACC
DPH
DPL
SP
B
P5LC1
3
RPS
RS0
GF1
GF3
3
3
P5LC0
EXT48
XRS0
T1X2
2
GF0
-
OV
2
2
CKREL 3-0
N3-0
EXTRAM
P0C1
P4C1
PLLEN
T0X2
1
PD
F1
1
1
4202F–SCR–07/2008
(1)
(1)
P0C0
P4C0
PLOCK
SPIX2
CKS
DPS
IDL
X2
A0
0
0
0
P
(1)
(1)
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