UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 82
UPD78F0550MA-FAA-AX
Manufacturer Part Number
UPD78F0550MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0550MA-FAA-AX.pdf
(734 pages)
Specifications of UPD78F0550MA-FAA-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
12
Core Processor
78K/0
Program Memory Type
FLASH
Ram Size
384 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Connectivity
I²C, LIN, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
Renesas
Quantity:
800
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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3.2.2 General-purpose registers
general-purpose registers consists of 4 banks, each bank consisting of eight 8-bit registers (X, A, C, B, E, D, L, and H).
(AX, BC, DE, and HL).
absolute names (R0 to R7 and RP0 to RP3).
the 4-register bank configuration, an efficient program can be created by switching between a register for normal
processing and a register for interrupts for each bank.
82
General-purpose registers are mapped at particular addresses (FEE0H to FEFFH) of the data memory. The
Each register can be used as an 8-bit register, and two 8-bit registers can also be used in a pair as a 16-bit register
These registers can be described in terms of function names (X, A, C, B, E, D, L, H, AX, BC, DE, and HL) and
Register banks to be used for instruction execution are set by the CPU control instruction (SEL RBn). Because of
FEFFH
FEF8H
FEF0H
FEE8H
FEE0H
FEFFH
FEF8H
FEF0H
FEE8H
FEE0H
Register bank 0
Register bank 1
Register bank 2
Register bank 3
Register bank 0
Register bank 1
Register bank 2
Register bank 3
Figure 3-14. Configuration of General-Purpose Registers
Preliminary User’s Manual U19111EJ2V1UD
CHAPTER 3 CPU ARCHITECTURE
(a) Function name
(b) Absolute name
15
15
16-bit processing
16-bit processing
RP3
RP2
RP1
RP0
DE
BC
HL
AX
0
0
7
7
8-bit processing
8-bit processing
R7
R6
R5
R4
R3
R2
R1
R0
H
D
E
B
C
A
X
L
0
0
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