ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 184

• Manufacturer Part Number: ST7LITE49K2
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST7LITE49K2

• 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 10K write/erase cycles guaranteed Data retention
• 256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow

Instruction set
Table 62.
1.
12.1.1
184/245
Relative
Relative
At the time the instruction is executed, the Program Counter (PC) points to the instruction following JRxx.
Long
Bit
Bit
Bit
Bit
ST7 addressing mode overview (continued)
Inherent mode
All Inherent instructions consist of a single byte. The opcode fully specifies all the required
information for the CPU to process the operation.
Table 63.
Mode
Indirect
Indirect
Indirect
Indirect
Direct
Direct
Direct
Relative
Relative
Instructions supporting inherent addressing mode
Indexed
Instruction
PUSH/POP
CPL, NEG
INC/DEC
TRAP
HALT
IRET
NOP
RCF
RSP
RET
SCF
CLR
TNZ
WFI
RIM
SIM
LD
A,([$10.w],X)
bset [$10],#7
[$10],#7,skip
bset $10,#7
$10,#7,skip
jrne [$10]
jrne loop
Syntax
btjt
btjt
ld
128/PC+127
128/PC+127
Destination/
0000..FFFF
source
00..FF
00..FF
00..FF
00..FF
PC-
PC-
(1)
(1)
Wait for interrupt (low power mode)
Halt oscillator (lowest power mode)
address
Pointer
00..FF
00..FF
00..FF
00..FF
Push/Pop to/from the stack
Interrupt subroutine return
Increment/decrement
Reset interrupt mask
Test negative or zero
Reset stack pointer
1 or 2 complement
Set interrupt mask
Subroutine return
Reset carry flag
Set carry flag
S/W interrupt
No operation
Pointer
Function
word
size
byte
byte
byte
Clear
Load
ST7LITE49K2
Length
(bytes)
+ 2
+ 1
+ 2
+ 1
+ 2
+ 2
+ 3