UPD78F9200MA-CAC-A Renesas Electronics America, UPD78F9200MA-CAC-A Datasheet - Page 38
UPD78F9200MA-CAC-A
Manufacturer Part Number
UPD78F9200MA-CAC-A
Description
MCU 8BIT 1KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9200MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9200MA-CAC-A
Package / Case
*
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
7
Core Processor
78K0S
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
1KB (1K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9200MA-CAC-A
Manufacturer:
NEC
Quantity:
20 000
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3.2 Processor Registers
3.2.1 Control registers
control registers include a program counter, a program status word, and a stack pointer.
36
The 78K0S/KU1+ provide the following on-chip processor registers.
The control registers have special functions to control the program sequence statuses and stack memory. The
(1) Program counter (PC)
(2) Program status word (PSW)
PC
The program counter is a 16-bit register which holds the address information of the next program to be
executed.
In normal operation, the PC is automatically incremented according to the number of bytes of the instruction to
be fetched. When a branch instruction is executed, immediate data or register contents are set.
Reset signal generation sets the reset vector table values at addresses 0000H and 0001H to the program
counter.
The program status word is an 8-bit register consisting of various flags to be set/reset by instruction execution.
Program status word contents are stored in stack area upon interrupt request generation or PUSH PSW
instruction execution and are restored upon execution of the RETI and POP PSW instructions.
Reset signal generation sets PSW to 02H.
PC15
15
PC14
PC13 PC12 PC11 PC10 PC9
PSW
Figure 3-8. Program Status Word Configuration
IE
7
Figure 3-7. Program Counter Configuration
CHAPTER 3 CPU ARCHITECTURE
Z
User’s Manual U18172EJ3V0UD
0
PC8
AC
PC7
0
PC6
0
PC5
1
PC4
CY
PC3
0
PC2
PC1
PC0
0
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