UPD78F0886GA(A)-GAM-AX NEC, UPD78F0886GA(A)-GAM-AX Datasheet - Page 14
UPD78F0886GA(A)-GAM-AX
Manufacturer Part Number
UPD78F0886GA(A)-GAM-AX
Description
8BIT MCU, 60K FLASH, 3KB RAM, CAN
Manufacturer
NEC
Datasheet
1.UPD78F0886GAA-GAM-AX.pdf
(129 pages)
Specifications of UPD78F0886GA(A)-GAM-AX
Controller Family/series
UPD78F
No. Of I/o's
41
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
8
No. Of Pwm Channels
6
Digital Ic Case Style
LQFP
Core Size
8bit
Program Memory Size
60KB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2.1 Control Registers
status word and a stack pointer are the control registers.
2.1.1 Program counter (PC)
to be fetched. When a branch instruction is executed, immediate data and register contents are set.
2.1.2 Program status word (PSW)
instruction execution and are automatically reset upon execution of the RETB, RETI and POP PSW instructions.
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The control registers control the program sequence, statuses and stack memory. A program counter, a program
The program counter is a 16-bit register that 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
RESET input 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 automatically stacked upon interrupt request generation or PUSH PSW
RESET input sets the PSW to 02H.
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Figure 2-2. Program Status Word Configuration
IE
7
Figure 2-1. Program Counter Configuration
Z
CHAPTER 2 REGISTERS
User's Manual U12326EJ4V0UM
RBS1
AC
PC
RBS0
0
ISP
CY
0
0
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