Samsung DVD-909 Service Manual page 19

Reference Information
2-1-8 MIC1 (TMP93CM41F ; Main Micom)
PAO~PA6
PA7(SCOUT)
P50 to P57
(ANO to AN7)
AVCC
AVSS
VREFH
VREFL
(TXD0)P90
(RXD0)P91
(SCLK0/CTS0)P92
(TXD1)P93
(RXD1)P94
(SCLK1)P95
(PG 00)P60
(PG 01)P61
(PG 02)P62
(PG 03)P63
(PG 10)P64
(PG 11)P65
(PG 12)P66
(PG 13)P67
(T10)P70
(T01)P71
(T02)P72
(T03)P73
(INT4/T14)P80
(INT5/T15)P81
(T04)P82
(T05)P83
(INT6/T16)P84
(INT7/T17)P85
(T06)P86
(INTO)P87
2-12
PORT A
900L-CPU
XWA
XBC
10-BIT 8CH
ADE
A/D
XHL
CONVERTER XIX
XIY
XIZ
XSP
32bit
SERIAL I/O
SR
(CH,0)
P C
SERIAL I/O
(CH,1)
PATTERN
GENERATOR
(CH,0)
PATTERN
GENERATOR
(CH,1)
2KB RAM
8BIT TIMER
(TIMER 0)
8BIT TIMER
(TIMER 1)
8BIT PWM
(TIMER 2)
8BIT PWM
(TIMER 3)
16BIT TIMER
(TIMER 4)
16BIT TIMER
(TIMER 5)
W A
High
B C
Frequency
D E
H L
OSC
IX
IY
IZ
SP
Low
Frequency
F
OSC
INTERRUPT
CONTROLLER
WATCH-DOG
TIMER
PORT 0
PORT 1
PORT 2
PORT 3
CS/WAIT
CONTROLLER
(3-BLOCK)
VCC[3]
VSS[3]
X1
X2
CLK
XT1
XT2
AM8/16
EA
RESET
ALE
TEST2,1
NMI
WDTOUT
P00 to P07
(AD0 to AC7)
P10 to P17
(AD8 to AD15/A8 toA15
P20 to P27
(A0 to A7/A16 to A23)
P30(RD)
P31(WR)
P32(HWR)
P33(WAIT)
P34(BUSRQ)
P35(BUSAK)
P36(R/W)
P37(RAS)
P40(CS0/CAS0)
P41(CS1/CAS1)
P42(CX2/CAS2)
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