A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
MODCK (0,0) Selects 32KHz as main oscillator
RSTCONF = 0 allows ’823 to sample data bus
during HRESET
PWM Input Timer Signals
Jim Belesiu
Jim Belesiu
Mar 5, 1999
Mar 5, 1999
620005.dsn
5-39173 JAC 3/18/99
LPP
3/19/99
3/19/99
3/19/99
L. Phillips
Z. Psenicnik
J. Bello
B
frequency modulation
Component change for 5-39353 JJC 4/15/99 ZIP
Change Reset IC U3,
No Load C40
C 5-39830 LPP 6/24/99
620005 C
I/O Filters
C
36Thursday, June 24, 1999
Title
Size
Document Number
Rev
Date: Sheet of
Welch Allyn Inc.
Schematic:
Release For Production
Approved
Checked
Designed
Drawn
Initial Date
REV
Description
ECN/ECO Init
Date Ckd
A Release to Production
IRQ_n0
IRQ_n1
IRQ_n2
IRQ_n3
IRQ_n4
IRQ_n5
IRQ_n6
IRQ_n7
IP_B6
IP_B7
IP_B3
IP_B2
IP_B4
IP_B5
GPL4
GPL5
IRQ_n0
SPI-data-out-xSPI-data-out
Video-Vertical-Sync
Video-Horizontal-Sync HSYNC-x
VSYNC-x
DSDI
SCL
SCD
Recorder-Clock-x
Recorder-Strobe-x
Recorder-Data-Latch-x
Recorder-Data-x
Recorder-Clock
Recorder-Data
Recorder-Data-Latch
Recorder-Strobe
VFLS1
VFLS0
WAIT_B_n
IP_B[2:7]
I2CSCLSCL
SMRXD2
SMTXD2SpO2-Tx
SpO2-Rx
ETCO2-Tx
ETCO2-Rx SMRXD1
SMTXD1
RXD2
TXD2
RS423-Rx
RS423-Tx
Nurse-Call
PC9
Key-Latch-xKey-Latch
SCD I2CSDA
NIBP-Offset-DAC
Rec-Paper-Out
RS423-Rx
SpO2-Rx
FE-Clock
FE-Data
ADC-Clock
FE-Data-x
FE-Clock-x
ADC-Clock-x
SPI-clock-xSPI-clock
LED-Latch-x
SPI-data-in SPI-data-in-x
Video-Data-xVideo-Data
SPI-data-in
NIBP-Data-xNIBP-Data
Batt-ID
NIBP-Fault-xNIBP-Fault
NIBP-15mmHg
NIBP-Overpressure
ETCO2-Rx
AC-On
PA6NIBP-Valve
NIBP-Offset-DAC-x
PB18
LED-Latch
PC5
PC7
Spare-1
Spare-2
Batt-ID
EKG-PWM-ADC
MODCK1
MODCK2
PB17
PC8
PB19
Rec-Paper-Out
RS423-CTS
AC-On
TIN3NIBP2-PW-ADC
Spare-3
Burst_n
BG_n
TS_n
SPKROUT
NIBP-Fault
FRZ
PC11
DREQ1_n
GPL[0:7]
NIBP2-PW-ADC RS423-CTS
TMS
PB16
PC13
SRESET_n
PA4
PA7
PA15
PA5
On-Standby-Key
DREQ2_n
Spare-1
Spare-3
PC10
NIBP-PWM-ADC
PC12
76.8KHz
TEXP
On-Standby-Key
Main-Power-Sync
Main-Supply-On
EKG-PWM-ADC TIN1
TIN2NIBP-PWM-ADC
NIBP-15mmHg-x
Recorder-Motor-Step Recorder-Motor-Step-x
NIBP-Overpressure-xNIBP-Overpressure
NIBP-15mmHg
PC4
TEA_n
TA_n
BB_n
BR_n
TRST_n
ALE_B
RSTCONF_n
BI_n
DSCK
IRQ_n[0:7]
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
VDDH
C70
330pF
12
C
R86
10K
5
1
2
3
4
6
7
8
9
10
R151
215
C124
330pF
12
C72
330pF
12
C71
330pF
12
C123
330pF
12
C78
330pF
12
R1521.58K
R108
1.58K
C79
330pF
12
C125
330pF
12
C81
330pF
12
R105
1.58K
C80
330pF
12
C89
330pF
12
R104
NL
C86
330pF
12
C87
330pF
12
R107
NL
C88
330pF
12
R133NL
C90
330pF
12
R1293.09K
C93
330pF
12
C91
330pF
12
R88
100
1
2
3
4 5
6
7
8
C92
330pF
12
C94
330pF
12
C97
330pF
12
R1313.09K
C95
330pF
12
C96
330pF
12
R82
100
1
2
3
4 5
6
7
8
R1321.58K
C105
330pF
12
C122
22pF
12
C103
330pF
12
C
R83
10K
5
1
2
3
4
6
7
8
9
10
C102
330pF
12
C
R76
10K
5
1
2
3
4
6
7
8
9
10
C104
330pF
12
R87
100
1
2
3
4 5
6
7
8
C
R103
10K
5
1
2
3
4
6
7
8
9
10
R85
100
1
2
3
4 5
6
7
8
C66
330pF
12
C
R16
10K
5
1
2
3
4
6
7
8
9
10
C67
330pF
12
C
R91 10K
5
1
2
3
4
6
7
8
9
10
C68
330pF
12
R77
100
1
2
3
4 5
6
7
8
C69
330pF
12
R1276.19K
R80
100
1
2
3
4 5
6
7
8
C76
330pF
12
R74
100
1
2
3
4 5
6
7
8
C77
330pF
12
C75
330pF
12
C74
330pF
12
C
R49
10K
5
1
2
3
4
6
7
8
9
10
R1303.09K
R90
100
1
2
3
4 5
6
7
8
R1286.19K
R78
100
1
2
3
4 5
6
7
8
R81
100
1
2
3
4 5
6
7
8
C57
330pF
12
C56
330pF
12
C55
330pF
12
C54
330pF
12
C63
330pF
12
C64
330pF
12
R1341.58K
R120
NL
R116
100
1
2
3
4 5
6
7
8
C65
330pF
12
C62
330pF
12
C126
330pF
12
C73
330pF
12
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