MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 258

• Manufacturer Part Number: MC9S12XDT256CAA
• Description: IC MCU 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT256CAA

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 59
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: CAN/I2C/SCI/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 59
• Number Of Timers: 12
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: EVB9S12XDP512E
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 6 XGATE (S12XGATEV2)
LDB
Operation
M[RB, #OFFS5
M[RB, RI
M[RB, RI]
RI-1
Loads a byte from memory into the low byte of register RD. The high byte is cleared.
CCR Effects
Code and CPU Cycles
258
N:
Z:
V:
C:
LDB RD, (RB, #OFFS5)
LDB RD, (RS, RI)
LDB RD, (RS, RI+)
LDB RD, (RS, -RI)
—
N
1.If the same general purpose register is used as index (RI) and destination register (RD), the content of the register will not
be incremented after the data move: M[RB, RI]
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
RI; M[RS, RI]
—
V
Source Form
RD.L; $00
RD.L; $00
—
C
RD.L; $00
RD.L; $00
RD.H
RD.H; RI+1
RD.H
Address
MC9S12XDP512 Data Sheet, Rev. 2.21
Mode
IDO5
IDR+
-IDR
IDR
Load Byte from Memory
RD.H
RI;
RD.L; $00
0
0
0
0
(Low Byte)
1
1
1
1
1
0
1
1
1
0
0
0
0
RD.H
0
0
0
0
Machine Code
RD
RD
RD
RD
RB
RB
RB
RB
RI
RI
RI
Freescale Semiconductor
OFFS5
LDB
0
0
1
0
1
0
Cycles
Pr
Pr
Pr
Pr