ViewSonic N4261w-1M Service Manual page 44

9.11 PW328 CPU
V33
CPU SLAVE MODE
TESTMODE 001
TRSTn 0
TMS 1
TDI 0
TDO 0
P{15} SBCLK
R160 47
P{14} IRQ1
P{15} SBOEn
P{15} SBWEn
Small
P{15} SBACK
R161 47
P{15} PWCEn
ViewSonic Corporation
V33 V33
RESET
U19
CAT809RTB
R141
G
GND
2.2K_NC
SW1
I
VCC
SW_MOM_4P
RSTn
2 1 R
RESET
3 4
RESET
V33
C194 .1
1
2 4
U20
74LVC1G126
U18D
IC, PW328
AC15
A1
AE16
A2
AF16
A3
BTMS
AF9 AC16
TMS A4
BTDO
AE9 AD15
TDO A5
BTDI
AE8 AE15
TDI A6
TCK
AC8 AC14
TCK A7
BEXTRSTEN
AF15
A8
BTRST
AE10 AD14
RESETB A9
BTSTM0
AD9 AC12
EXTRSTEN A10
BTSTM1
AF10 AE14
ADR24B A11
BTSTM2
AD8 AC13
TRSTN A12
AC20 AF14
EXTMCLK A13
AD13
A14
AD17 AE13
EXTINT0 A15
AE18 AF13
EXTINT1 A16
AC10
A17
AB8 AC11
TESTMODE0 A18
AA8 AD12
TESTMODE1 A19
AF8 AE12
TESTMODE2 A20
AF7 AF12
SCANMODE A21
AC9
A22
AD10
A23
EXTINT0
AE24
D0
AC23
D1
AD16 CPU AD24
RD D2
AE23
D3
AF17 AF26
WR D4
AC22
D5
BOEn
1 AC19 AD23
TP11
ROMOE D6
AE22
D7
ROMWEB
AE17 AF25
ROMWE D8
AE21
D9
AF18 AD22
CS0 D10
AC21
D11
AD18 AF24
CS1 D12
AF23
D13
AE26 AD20
NMI D14
AD21
D15
41
N4261w-1M
Confidential - Do Not Copy
R140
5.6K
C193
100U
P{17}
RESETn P{2,4,12,14,15} P{17}
P{17}
P{12}
P{12}
P{12}
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7
SBA8
SBA9
SBA10
SBA11
SBA12
SBA13
P{15}
SBA14
P{15}
SBA15
P{7}
SBA16
P{7}
SBA17
P{19} PNLPWR
SBA18
P{19} BKLTPWR
SBA19
P{18} DPMS
P{18} 2030CLOCK
SBA[19:1] P{15} P{18} KEY[6:0]
SBD0
SBD1
SBD2
SBD3
SBD4
SPDIF SELECT
SBD5
SBD6
P{18} PWRDOWN
SBD7
P{12} I2SSEL
SBD8
SBD9
SBD10
SBD11 PC5
P{12} SPDIF SELECT
SBD12
P{5} AV3_SW1
SBD13
P{5} AV3_SW2
SBD14
SBD15
SBD[15:0] P{15}
R344 0_NC
R345 0_NC
R346 0_NC
U18F
IC, PW106
D13
MPEG_CL
I2SICLK0
E18
MPEG_WS
I2SIWS0
D14
MPEG_DI1
I2SID0
I2SOCLK
C13
I2S_CL
I2SICLK1 I2SOWS
E17
I2S_WS
I2SIWS1 I2SOD
A13
I2S_DO
I2SID1
E19
THRWSC
RXD
1 E20
Small
TP8
RXD0
TXD
1 B25
Small
TP9
TXD0
A26
RXD1
D22
TXD1
C24
P{18} IR
IRRCVR0
E21
{3,18} CEC IRRCVR1
D23
IRRCVR2
PERIPHERALS
M1
SBBE0n
PORTA0 TWOWSC0
M2
SBBE1n
PORTA1 TWOWSD0
PA2
N6
SDET-1
PORTA2
PA3
N1
SDET-2
PORTA3 TWOWSC1
Hi=ON PA4
N5
PORTA4 TWOWSD1
Hi=ON
N2
PORTA5
PA6
N3
PORTA6 TWOWSC2
PA7
N4
PORTA7 TWOWSD2
KEY0
M3
PORTB0
KEY1
K2
PORTB1
KEY2
M4
PORTB2 USBXCVR
KEY3
K1
PORTB3 MUSBP
KEY4
L4
PORTB4 VSSUSBM
KEY5
L1
PORTB5 USBVSS
KEY6
L2
PORTB6
L3
PORTB7
PC0 Hi=POWER OFF
E15
PORTC0
PC1
B12
PORTC1
PC2
1 C12
Small TP12
PORTC2 PWM0
PC3
1 D12
Small TP13
PORTC3 PWM1
PC4
Small 1 E14
TP14
PORTC4 PWM2
A11
PORTC5 PWM3
PC6
B11
PORTC6
PC7
C11
PORTC7
D24
ADC0
C26
ADC1
D25
ADC2 DAC0
E24
ADC3 DAC1
F23
ADC4 DAC2
E22
ADC5 DAC3
D26
ADC6
E25
ADC7
A12
I2SOCLK P{12}
E16
I2SOWS P{12}
B13
I2SOD P{12}
TWSCL R150 22_NC
D20
SCL P{4,12,14}
TWSDA R151 22_NC
C22
SDA P{4,12,14}
C21
D21
D17
C18
AB16
AF19
AC17
AC18
PWM
A10
PWM P{19}
D11
B10
C10
H22
E26
F25
J22