HD404629R Datasheet, PDF (11/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit

Block Diagram
HD404629R Series
INT₀
INT₁
INT2
INT3
INT4
EVNB
TOB
TOC
EVND
TOD
SCK
SI
SO
VT_ref
TONER
TONEC
AVcc
AVss
AN0
AN1
AN2
AN3
V₁
V₂
V₃
COM1
COM2
COM3
COM4
SEG1
SEG2
SEG3
to
SEG52
HMCS400 CPU
ROM
RAM
External interrupt
control circuit
Timer A
8-bit free-running timer
Timer B
8-bit free-running / reload timer
Timer C
8-bit free-running / reload timer
Timer D
8-bit free-running / reload timer
Clock-synchronous
8-bit serial interface
DTMF
generation circuit
A/D converter
4 channels x 8 bits
LCD controller / driver
circuit
52 segments x 4 commons
D₀
D₁
D₂
D₃
D₄
D₅
D₆
D₇
D₈
D₉
D₁₀
D₁₁
R0₀
R0₁
R0₂
R0₃
R1₀
R1₁
R1₂
R1₃
R2₀
R2₁
R2₂
R2₃
R3₀
R3₁
R3₂
R3₃
R4₀
R4₁
R4₂
R4₃
R5₀
R5₁
R5₂
R5₃
R6₀
R6₁
R6₂
R6₃
R7₀
R7₁
R7₂
R7₃
: High current pins
9