PD64A_15 Datasheet, PDF (33/66 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR INFRARED REMOTE CONTROL TRANSMISSION

9.2 Circuit Symbol Description
A:
ASR:
addr:
CY:
data4:
data8:
data10:
F:
PC:
Pn:
P0n:
P1n:
ROMn:
Rn:
R0n:
R1n:
SP:
T:
T0:
T1:
(×):
Accumulator
Address stack register
Program memory address
Carry flag
4-bit immediate data
8-bit immediate data
10-bit immediate data
Status flag
Program counter
Port register pair (n = 0, 1, 3, 4)
Port register (lower 4 bits)
Port register (higher 4 bits)
Bit n of the program memory (n = 0 to 9)
Register pair
Data memory (general-purpose register; n = 0 to F)
Data memory (general-purpose register; n = 0 to F)
Stack pointer
Timer register
Timer register (lower 4 bits)
Timer register (higher 4 bits)
Content addressed with ×
µPD64A, 65
Data Sheet U14380EJ3V0DS00
31