AX8052F151 datasheet(27/51 Pages) ONSEMI

27 / 51 page

Circuit Description

www.onsemi.com

AX8052F151

The AX8052 uses P or Code Space to access its program. Code space may also be read using the

MOVC

instruction.

Smaller amounts of data can be placed in the Internal3 or Data Space. A distinction is made in the

upper half of the Data Space between direct accesses (MOV reg,addr; MOV addr,reg) and indirect

accesses (MOV reg,@Ri; MOV @Ri,reg; PUSH; POP); Direct accesses are routed to the Special Function

Registers, while indirect accesses are routed to the internal RAM.

Large amounts of data can be placed in the External or X Space. It can be accessed using the

MOVX

instructions. Special Function Registers, as well as additional Microcontroller Registers

(XREG) and the Radio Registers (RREG) are also mapped into the X Space.

Detailed documentation of the Special Function Registers (SFR) and additional Microcontroller

Registers can be found in the AX8052 Programming Manual.

The Radio Registers are documented in the AX5051 Programming Manual. Register Addresses

given in the AX5051 Programming Manual are relative to the beginning of RREG, i.e. 0x4000 must

be added to these addresses. It is recommended that the Axsem provided ax8052f151.h header file

is used; Radio Registers are prefixed with AX5051_ in the ax8052f151.h header file to avoid clashes

of same-name Radio registers with AX8052 registers.

Normally, accessing Radio Registers through the RREG address range is adequate. Since Radio

method for non-blocking access to the Radio Registers. Accessing the RREG (nb) address range

initiates a Radio Register access, but does not wait for its completion. The details of mechanism is

documented in the Radio Interface section of the AX8052 Programming Manual.

The FLASH memory is organized as 64 pages of 1 kBytes each. Each page can be individually

erased. The write word size is 16 Bits. The last 1 kByte page is dedicated to factory calibration

data and should not be overwritten.

Power Management

The microcontroller power mode can be selected independently from the transceiver. The

microcontroller supports the following power modes:

PCON

Name

Description

RUNNING

The microcontroller and all peripherals are running. Current consumption depends on

the system clock frequency and the enabled peripherals and their clock frequency.

STANDBY

The microcontroller is stopped. All register and memory contents are retained. All

peripherals continue to function normally. Current consumption is determined by the

enabled peripherals. STANDBY is exited when any of the enabled interrupts become

active.

SLEEP

The microcontroller and its peripherals, except GPIO and the system controller, are

shut down. Their register settings are lost. The internal RAM is retained. The external

RAM is split into two 4kByte blocks. Software can determine individually for both

blocks whether contents of that block are to be retained or lost. SLEEP can be exited

3 The origin of Internal versus External (X) Space is historical. External Space used to be outside of

the chip on the original 8052 Microcontrollers.

AX8052F151 Datasheet(PDF) 27 Page - ON Semiconductor

AX8052F151 Datasheet(HTML) 27 Page - ON Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

Datasheet Download

Link URL