M306N5FCTFP Renesas Electronics America, M306N5FCTFP Datasheet - Page 142

• Manufacturer Part Number: M306N5FCTFP
• Description: IC M16C MCU FLASH 100QFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/6Nr

Specifications of M306N5FCTFP

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 87
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 26x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

STCTX
[ Syntax ]
[ Operation ]
[ Function ]
[ Flag Change ]
[ Description Example ]
[ Related Instructions ]
Chapter 3
Change
STCTX
Flag
• This instruction saves task context to the stack area.
• Set the RAM address that contains the task number in abs16 and the start address of table data in abs20.
• The required register information is specified from table data by the task number and the data in the stack area is
• Information on transferred registers is configured as shown below. Logic 1 indicates a register to be
• The table data is comprised as shown below. The address indicated by abs20 is the base address of
STCTX
abs20
transferred to each register according to the specified register information. Then the SP correction value is subtracted
to the stack pointer (SP). For this SP correction value, set the number of bytes you want to the transferred.
transferred and logic 0 indicates a register that is not transferred.
the table. The data stored at an address apart from the base address as much as twice the content of
abs16 indicates register information, and the next address contains the stack pointer correction value.
U
I
D i r e c t i o n i n
which address
increases
Functions
Base address
of table
abs16,abs20
Ram,Rom_TBL
O B
S
LDCTX
*1
Z
Register information for the task whose task number = n
SP correction value for the task whose task number = n
Register information for the task whose task number = 0. (See the above diagram.)
Register information for the task whose task number = 1. (See the above diagram.)
Transferred sequentially beginning with FB
SP correction value for the task whose task number = 0. (See the above diagram.)
SP correction value for the task whose task number = 1. (See the above diagram.)
n=0 to 255
MSB
D
FB SB A1 A0 R3 R2 R1 R0
C
STore ConTeXt
Save context
124
[ Instruction Code/Number of Cycles ]
LSB
*1
*1
. (See the above diagram.)
. (See the above diagram.)
STCTX
3.2
Page= 235
Functions
abs16 x 2