ST10F280 STMicroelectronics, ST10F280 Datasheet - Page 40

• Manufacturer Part Number: ST10F280
• Description: MCU 16BIT 512K FLASH MAC 208-PBG
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10F280

• Core Processor: ST10
• Core Size: 16-Bit
• Speed: 40MHz
• Connectivity: ASC, CAN, EBI/EMI, SSC
• Peripherals: POR, PWM, WDT
• Number Of I /o: 143
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 18K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 32x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 208-PBGA
• Processor Series: ST10F28x
• Core: ST10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

ST10F280
6.1.1 - Features
6.1.1.1 - Enhanced Addressing Capabilities
– New addressing modes including a double indi-
– Parallel Data Move : this mechanism allows one
– New tranfer instructions CoSTORE (for fast ac-
6.1.1.2 - Multiply-Accumulate Unit
– One-cycle execution for all MAC operations.
Figure 10 : MAC Unit Architecture
Note: * Shared with standard ALU.
40/186
rect addressing mode with pointer post-modifi-
cation.
operand move during Multiply-Accumulate in-
structions without penalty.
cess to the MAC SFRs) and CoMOV (for fast
memory to memory table transfer).
Controller
ST10 CPU
Interrupt
GPR Pointers *
IDX0 Pointer
IDX1 Pointer
QR0 GPR Offset Register
QR1 GPR Offset Register
QX0 IDX Offset Register
QX1 IDX Offset Register
Repeat Unit
MRW
Control Unit
MCW
Concatenation
– 16 x 16 signed/unsigned parallel multiplier.
– 40-bit signed arithmetic unit with automatic sat-
– 40-bit accumulator.
– 8-bit left/right shifter.
– Full instruction set with multiply and multiply-ac-
6.1.1.3 - Program Control
– Repeat Unit : allows some MAC co-processor in-
– MAC interrupt (Class B Trap) on MAC condition
MSW
uration mode.
cumulate, 32-bit signed arithmetic and compare
instructions.
structions to be repeated up to 8192 times. Re-
peated instructions may be interrupted.
flags.
Flags MAE
32
40
0h
Sign Extend
Operand 1
Scaler
40
40
Mux
Mux
40-bit Signed Arithmetic Unit
A
signed/unsigned
16
40
08000h
Multiplier
16 x 16
32
MAH
8-bit Left/Right
16
40
40
Shifter
Operand 2
40
0h
MAL
40
Mux
B
40