Confidential
TMPA8873PSNG /CMNG /CPNG /CRNG /CSNG
2005/03/29
26
Pin
No.
Pin Name
I/O
Function
Interface Circuit
6
7
Xout
Xin
Output
Input
X’tal connecting pins
6
7
9
4
Osc.enable
1.2MΩ
500Ω
fc
8
TEST
Input
Test pin for out-going test
8
9
4
1kΩ
9 up
DVdd
Power
Supply
Vdd
Supply 5V
-
9
CPU core
Digtal curcuit
Slicer
10 up
VVss
Power
Supply
GND for Slicer circuit
⎯
54 up
AGND
Power
Supply
GND for Oscillator circuit
⎯
55 up
AVdd
Power
Supply
Vdd for Oscillator circuit
Supply 5V
⎯
56 P56
I/O
56
9
4
1kΩ
5kΩ
Key‑on
Wake‑up
22pF
Disable
Initial"Hi‑Z"
57
P52
(SDA)
(SO1)
I/O
(I/O)
(Output)
IIC bus serial data input / output
SIO serial data output
57
9
4
1kΩ
Disable
Initial"Hi‑Z"
Open drain
output enable
Summary of Contents for 14N23
Page 1: ...SERVICE MANUAL MODEL 14N23 CHASSIS M123SP...
Page 20: ......
Page 37: ...6 PCB Layout...
Page 38: ......
