UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 118
UPD78F0034BGC-8BS-A
Manufacturer Part Number
UPD78F0034BGC-8BS-A
Description
MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
Manufacturer
Renesas Electronics America
Datasheet
1.UPD78F0034BGK-9ET-A.pdf
(605 pages)
Specifications of UPD78F0034BGC-8BS-A
Package
64LQFP
Family Name
78K0
Maximum Speed
12 MHz
Ram Size
1 KB
Program Memory Size
32 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
51
Interface Type
3-Wire/UART
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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5.2.2 General-purpose registers
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).
(R0 to R7 and RP0 to RP3).
of 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.
A general-purpose register is mapped at particular addresses (FEE0H to FEFFH) of the data memory. It consists
Each register can also be used as an 8-bit register. Two 8-bit registers can be used in pairs as a 16-bit register
They can be described in terms of function names (X, A, C, B, E, D, L, H, AX, BC, DE, and HL) and absolute names
Register banks to be used for instruction execution are set with the CPU control instruction (SEL RBn). Because
FEFFH
FEF8H
FEF0H
FEE8H
FEE0H
FEFFH
FEF8H
FEF0H
FEE8H
FEE0H
BANK0
BANK1
BANK2
BANK3
BANK0
BANK1
BANK2
BANK3
Figure 5-16. General-Purpose Register Configuration
CHAPTER 5 CPU ARCHITECTURE
User’s Manual U14046EJ5V0UD
(a) Absolute name
(b) Function name
15
15
16-bit processing
16-bit processing
RP3
RP2
RP1
RP0
HL
DE
BC
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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