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參數(shù)資料
| 型號： | ST10F269Z2Q6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 28 X 28 MM, PLASTIC, QFP-144 |
| 文件頁數(shù)： | 115/184頁 |
| 文件大?。?/td> | 3276K |
| 代理商： | ST10F269Z2Q6 |
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6 - CENTRAL PROCESSING UNIT (CPU)
ST10F269
The System Configuration Register SYSCON
This bit-addressable register provides general system configuration and control functions. The reset
value for register SYSCON depends on the state of the PORT0 pins during reset.
SYSCON (FF12h / 89h)
SFR
Reset Value: 0xx0h
Notes: 1. These bits are set directly or indirectly according to PORT0 and EA pin configuration during reset sequence.
2. Register SYSCON cannot be changed after execution of the EINIT instruction.
6.1 - Multiplier-accumulator Unit (MAC)
The MAC co-processor is a specialized co-pro-
cessor added to the ST10 CPU Core in order to
improve the performances of the ST10 Family in
signal processing algorithms.
Signal processing needs at least three specialized
units operating in parallel to achieve maximum
performance:
– A Multiply-Accumulate Unit,
– An Address Generation Unit, able to feed the
MAC Unit with 2 operands per cycle,
– A Repeat Unit, to execute series of multiply-ac-
cumulate instructions.
The existing ST10 CPU has been modified to
include new addressing capabilities which enable
the CPU to supply the new co-processor with up
to 2 operands per instruction cycle.
This new co-processor (so-called MAC) contains
a fast multiply-accumulate unit and a repeat unit.
The co-processor instructions extend the ST10
CPU instruction set with multiply, multiply-accu-
mulate, 32-bit signed arithmetic operations.
A new transfer instruction CoMOV has also been
added to take benefit of the new addressing capa-
bilities.
15
14
13
12
11
10
9876543210
STKSZ
ROM
S1
SGT
DIS
ROM
EN
BYT
DIS
CLK
EN
WR
CFG
CS
CFG
PWD
CFG
OWD
DIS
BDR
STEN
XPEN
VISI
BLE
XPER-
SHARE
RW
RW1
RW
RW1
RW
Bit
Function
XPEN
0
1
XBUS Peripheral Enable Bit
Accesses to the on-chip X-Peripherals and their functions are disabled
The on-chip X-Peripherals are enabled and can be accessed.
BDRSTEN
0
1
Bidirectional Reset Enable
RSTIN pin is an input pin only. SW Reset or WDT Reset have no effect on this pin
RSTIN pin is a bidirectional pin. This pin is pulled low during 1024 TCL during reset sequence.
OWDDIS
0
1
Oscillator Watchdog Disable Control
Oscillator Watchdog (OWD) is enabled. If PLL is bypassed, the OWD monitors XTAL1 activity. If
there is no activity on XTAL1 for at least 1
s, the CPU clock is switched automatically to PLL’s
base frequency (2 to 10MHz).
OWD is disabled. If the PLL is bypassed, the CPU clock is always driven by XTAL1 signal. The PLL
is turned off to reduce power supply current.
PWDCFG
0
1
Power Down Mode Configuration Control
Power Down Mode can only be entered during PWRDN instruction execution if NMI pin is low, oth-
erwise the instruction has no effect. To exit Power Down Mode, an external reset must occurs by
asserting the RSTIN pin.
Power Down Mode can only be entered during PWRDN instruction execution if all enabled fast
external interrupt EXxIN pins are in their inactive level. Exiting this mode can be done by asserting
one enabled EXxIN pin.
CSCFG
0
1
Chip Select Configuration Control
Latched Chip Select lines: CSx change 1 TCL after rising edge of ALE
Unlatched Chip Select lines: CSx change with rising edge of ALE
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ST10F269Z2Q6/TR | 功能描述:16位微控制器 - MCU 16B MCU 256K Byte and 12K Byte RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| ST10F269Z2QX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16-BIT MCU WITH MAC UNIT, 256K BYTE FLASH MEMORY AND 12K BYTE RAM |
| ST10F269Z2T3 | 功能描述:16位微控制器 - MCU ST10F272 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| ST10F269Z2T6 | 功能描述:16位微控制器 - MCU ST10F272 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| ST10F269ZX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16-BIT MCU WITH MAC UNIT, 128K to 256K BYTE FLASH MEMORY AND 12K BYTE RAM |
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