Harman Kardon HK 3380, Руководство по обслуживанию

Страница: 26 / 30

HVIST72F321R (U-COM) : IC81
Figure 1. Device Block Diagram
8-BIT CORE
ALU
AD
D
R
ES
S AN
D
D
AT
A B
U
S
OSC1
V
PP
CONTROL
PROGRAM
(16K - 60K Bytes)
V
DD
RESET
PORT F
PF7:0
(8-bits)
TIMER A
BEEP
PORT A
RAM
(512 - 2048 Bytes)
PORT C
10-BIT ADC
V
AREF
V
SSA
PORT B
PB7:0
(8-bits)
PWM ART
PORT E
PE7:0
(8-bits)
SCI
TIMER B
PA7:0
(8-bits)
PORT D
PD7:0
(8-bits)
SPI
PC7:0
(8-bits)
V
SS
WATCHDOG
TLI
OSC
LVD
OSC2
MEMORY
MCC/RTC/BEEP
EVD
AVD
I2C
3