EM78P154N
8-Bit Microcontrollerwith OTP ROM
4 Function Description
OSCO
/RESET
OSCI
TCC /INT
WDT timer
Prescaler
Oscillator/Timing
Control
ROM
R2
Stack
ALU
IOCA
RAM
Interrupt
Controller
Instruction
Register
R3
R1(TCC)
R4
Instruction
Decoder
ACC
DATA & CONTROL BUS
P60//INT
P61
P50
P51
P52
P53
P54
P55
P56
P62
P63
P64
IOC6
R6
IOC5
R5
I/O
PORT 6
I/O
PORT 5
P65
P66
P67
Figure 4-1 Function Block Diagram
4.1 Operational Registers
4.1.1 R0 (Indirect Addressing Register)
4.1.2 R1 (Time Clock /Counter)
4
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
