PXAG49KBA NXP Semiconductors, PXAG49KBA Datasheet
PXAG49KBA
Available stocks
Related parts for PXAG49KBA
PXAG49KBA Summary of contents
Page 1
XA-G49 XA 16-bit microcontroller family 64K FLASH/2K RAM, watchdog, 2 UARTs Preliminary specification Supersedes data of 1999 Jun 15 IC28 Data Handbook INTEGRATED CIRCUITS 2000 Apr 03 ...
Page 2
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs GENERAL DESCRIPTION The XA-G49 is a member of Philips’ 80C51 XA (eXtended Architecture) family of high performance 16-bit single-chip microcontrollers. The XA-G49 contains 64k bytes of Flash program ...
Page 3
... Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs ORDERING INFORMATION FLASH PXAG49KBA PXAG49KFA LOGIC SYMBOL RxD0 TxD0 INT0 INT1 T0 T1/BUSW WRL RD * NOT AVAILABLE ON 40-PIN DIP PACKAGE 2000 Apr 03 TEMPERATURE RANGE ( C) AND PACKAGE 0 to +70 44-pin Plastic Leaded Chip Carrier –40 to +85 ...
Page 4
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs PIN CONFIGURATIONS 44-Pin PLCC Package PLCC Pin Function Pin Function P1.0/A0/WRH 24 P2.0/A12D8 3 ...
Page 5
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs PIN DESCRIPTIONS PIN. NO. MNEMONIC MNEMONIC TYPE TYPE LCC LQFP Ground: 0V reference 23 Power Supply: This is ...
Page 6
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs PIN. NO. MNEMONIC MNEMONIC TYPE TYPE LCC LQFP PSEN Program Store Enable: The read strobe for external program memory. When the microcontroller accesses external program ...
Page 7
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs NAME NAME DESCRIPTION DESCRIPTION P0CFGA Port 0 configuration A P1CFGA Port 1 configuration A P2CFGA Port 2 configuration A P3CFGA Port 3 configuration A P0CFGB Port 0 configuration ...
Page 8
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs NAME NAME DESCRIPTION DESCRIPTION SWR* Software Interrupt Request T2CON* Timer 2 control register T2MOD* Timer 2 mode control TH2 Timer 2 high byte TL2 Timer 2 low byte ...
Page 9
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs FFFFFh 10000h FFFFh 0000h Note: The Boot ROM replaces the top 2k bytes of Flash memory when it is enabled via the xxx bit in xxx. Data Segment ...
Page 10
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs FLASH EPROM MEMORY GENERAL DESCRIPTION The XA-G49 Flash memory augments EPROM functionality with in-circuit electrical erasure and programming. The Flash can be read and written as bytes. The ...
Page 11
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs PROGRAM ADDRESS FMIDLE The FMIDLE bit in the AUXR register allows saving additional power by turning off the Flash memory when the CPU is in the Idle mode. ...
Page 12
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs V CC RST XTAL2 XTAL1 V SS Figure 4. In-System Programming with a Minimum of Pins In-System Programming (ISP) In-System Programming (ISP) is performed without removing the microcontroller ...
Page 13
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs User Supplied Loader A user program can simply decide at any time, for any reason, to begin Flash programming operations. All it has advance is ...
Page 14
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs Table 2. Intel-Hex Records Used by In-System Programming RECORD TYPE Data Record :nnaaaa00dd....ddcc Where number of bytes (hex) in record Aaaa = memory ...
Page 15
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs RECORD TYPE 84 Display Device Data or Blank Check – Record type 84 causes the contents of the entire FLASH array to be sent out the serial port ...
Page 16
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs In-Application Programming Method Several Application Program Interface (API) calls are available for use by an application program to permit selective erasing and programming of FLASH sectors. All calls ...
Page 17
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs API CALL READ DEVICE Input Parameters: R0H = 00h R6H = 00h R6L = 01h (device Return Parameter R4L = value of ...
Page 18
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs API CALL ERASE SPECIAL CELL Input Parameters: R0H = 95h R6 Return Parameters: R4L = 00 if pass, non–zero if fail READ SPECIAL CELL Input Parameters: R0H = ...
Page 19
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs XA-G49 TIMER/COUNTERS The XA has two standard 16-bit enhanced Timer/Counters: Timer 0 and Timer 1. Additionally, it has a third 16-bit Up/Down timer/counter, T2. A central timing generator ...
Page 20
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs New Enhanced Mode 0 For timers the 13-bit count mode on the 80C51 (current Mode 0) has been replaced in the XA with a 16-bit ...
Page 21
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs MSB T2CON Address:418 Bit Addressable TF2 Reset Value: 00H BIT SYMBOL FUNCTION T2CON.7 TF2 Timer 2 overflow flag. Set by hardware on Timer/Counter overflow. Must be cleared by ...
Page 22
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs timer register is loaded with FFFF hex. The underflow also sets the TF2 flag, which can generate an interrupt if enabled. The external flag EXF2 toggles when Timer ...
Page 23
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs TCLK C/ C/ Pin Transition Detector T2EX Pin Control EXEN2 TCLK C/ C/ Pin Transition Detector T2EX Pin ...
Page 24
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs WATCHDOG TIMER The watchdog timer subsystem protects the system from incorrect code execution by causing a system reset when the watchdog timer underflows as a result of a ...
Page 25
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs WATCHDOG FEED SEQUENCE MOV WFEED1,#A5H MOV WFEED2,#5AH TCLK PRE2 When the watchdog underflows, the following action takes place (see Figure 14): Autoload takes place. Watchdog time-out flag is ...
Page 26
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs Serial Port Control Register The serial port control and status register is the Special Function Register SnCON, shown in Figure 16. This register contains not only the mode ...
Page 27
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs CLOCKING SCHEME/BAUD RATE GENERATION The XA UARTS clock rates are determined by either a fixed division (modes 0 and 2) of the oscillator clock or by the Timer ...
Page 28
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs INTERRUPT SCHEME There are separate interrupt vectors for each UART’s transmit and receive functions. Table 7. Vector Locations for UARTs in XA Vector Address Interrupt Source A0H – ...
Page 29
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs SnCON Address: S0CON 420 S1CON 424 Bit Addressable Reset Value: 00H Where SM0, SM1 specify the serial port mode, as follows: SM0 BIT SYMBOL ...
Page 30
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs I/O PORT OUTPUT CONFIGURATION Each I/O port pin can be user configured to one of 4 output types. The types are Quasi-bidirectional (essentially the same as standard 80C51 ...
Page 31
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs INTERRUPTS The XA-G49 supports 38 vectored interrupt sources. These include 9 maskable event interrupts, 7 exception interrupts, 16 trap interrupts, and 7 software interrupts. The maskable interrupts each ...
Page 32
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs ABSOLUTE MAXIMUM RATINGS PARAMETER Operating temperature under bias Storage temperature range Voltage on EA/V pin Voltage on any other pin Maximum ...
Page 33
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs AC ELECTRICAL CHARACTERISTICS (5V 4.5V to 5.5V +70 C for commercial, – +85 C for industrial. DD amb SYMBOL SYMBOL ...
Page 34
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs V2) This variable represents the programmed width of the PSEN pulse as determined by the CR1 and CR0 bits or the CRA1, CRA0, and ALEW bits in the ...
Page 35
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs 5. This parameter is provided for peripherals that have the data clocked in on the falling edge of the WR strobe. This is not usually the case, and ...
Page 36
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs ALE RD t LLAX t AVLL MULTIPLEXED ADDRESS A4–A11 or A4–A19 AND DATA UNMULTIPLEXED ADDRESS * DATA IN is either D0–D7 or D0–D15, depending on the bus width ...
Page 37
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs ALE WRL or WRH t LLAX t AVLL MULTIPLEXED ADDRESS A4–A11 or A4–A15 AND DATA t AVWL UNMULTIPLEXED ADDRESS * DATA OUT is either D0–D7 or D0–D15, depending ...
Page 38
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs V DD 0.45V V –0.5 DD 0.45V NOTE: AC inputs during testing are driven at V Timing measurements are made at the 50% point of transitions. V LOAD ...
Page 39
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs 120 100 80 60 CURRENT (mA Valid only within frequency specification of the device under test 0.45V Figure 32. Clock Signal ...
Page 40
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs PLCC44: plastic leaded chip carrier; 44 leads 2000 Apr 03 40 Preliminary specification XA-G49 SOT187-2 ...
Page 41
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs 2000 Apr 03 NOTES 41 Preliminary specification XA-G49 ...
Page 42
Philips Semiconductors XA 16-bit microcontroller family 64K Flash/2K RAM, watchdog, 2 UARTs Data sheet status Data sheet Product Definition status status Objective Development This data sheet contains the design target or goal specifications for product development. specification Specification may change ...