AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 37

• Manufacturer Part Number: AT89C5131A-PUTIM
• Description: IC 8051 MCU FLASH 32K USB 32QFN
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-PUTIM

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

8.3.7.3
8.4
4337K–USB–04/08
Registers
Hardware Security
The following procedure is used to read the Hardware Security space and is summarized in
Figure 8-8:
Figure 8-8.
Table 8-4.
Reset Value = 0000 0000b
• Map the Hardware Security space by writing 04h in FCON register.
• Read the byte in Accumulator by executing MOVC A, @A+DPTR with A = 0 & DPTR =
0000h.
Bit Number
FPL3
7-4
2-1
7
3
0
Reading Procedure
FCON (S:D1h)
Flash Control Register
Mnemonic Description
FMOD1:0
FBUSY
FPL3:0
FPL2
FPS
Bit
6
Programming Launch Command Bits
Write 5Xh followed by AXh to launch the programming according to FMOD1:0.
(see Table 8-3.)
Flash Map Program Space
Set to map the column latch space in the data memory space.
Clear to re-map the data memory space.
Flash Mode
See Table 8-2 or Table 8-3.
Flash Busy
Set by hardware when programming is in progress.
Clear by hardware when programming is done.
Can not be cleared by software.
FPL1
5
Exec: MOVC A, @A+DPTR
Flash Spaces Reading
Flash Spaces Mapping
FCON = 00000xx0b
DPTR = Address
FPL0
Erase Mode
FCON = 00h
4
Data Read
ACC = 0
FPS
3
AT89C5130A/31A-M
FMOD1
2
FMOD0
1
FBUSY
0
37