AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 36
AT89C5122
Manufacturer Part Number
AT89C5122
Description
MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C5122.pdf
(213 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C5122D-UM
Manufacturer:
MAXIM
Quantity:
1 001
Part Number:
AT89C5122DS-RDTUM
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT89C5122DS-UM
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 36 of 213
- Download datasheet (3Mb)
SFR’s Description
Table 10. C51 Core SFRs
Table 11. Clock SFRs
Table 12. I/O Port SFRs
36
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)
AT8xC5122/23
Add Name
Add Name
Add Name
E0h Accumulator
F0h B Register
D0h Program Status Word
8Fh Clock Controller 0
AFh Clock Controller 1
A3h PLL Controller Register
A4h PLL Divider register
8Eh Auxiliary Register 0
A2h Auxiliary Register 1
D1h
81h Stack Pointer
82h
83h
87h Power Controller
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
(1)
SIX2
RS1
POF
(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
(1)
(1)
4202D–SCR–06/05
P0C0
P4C0
PLOCK
SPIX2
CKS
DPS
IDL
X2
A0
0
0
0
P
(1)
(1)
Related parts for AT89C5122
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Atmel CryptoMemory
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
Atmel CryptoMemory
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
Atmel CryptoMemory, 16Kbit
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontrollers
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontroller with 16/32/64/128K Bytes In-System Programmable Flash
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontroller with 16/32/64K Bytes In-System Programmable Programmable
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet: