Shure PG4 Service Manual

8
25A1104 (Rev.1)
Microcontroller Netnames and Programming Testpoint List
Pin Port Name Testpoint
1 RESETn Reset TP_RST
2 PTC0/TxD2 Seven Segment A
3 PTC1/RxD2 Seven Segment B
4 PTC2/SDA1 Seven Segment C
5 PTC3/SCL1 Seven Segment D
6 PTC4 Seven Segment E
7 PTC5 Seven Segment F
8 PTC6 Seven Segment G
9 PTC7 NC
10 PTE0/TxD1 Select Button
11 PTE1/RxD1 NC
12 IRQ NC
13 PTE2/SS1n Ra
14 PTE3/MISO1 Rb
15 PTE4/MOSI1 Rc
16 PTE5/SPSCK1 Rd
17 VSS1 EGND
18 VSS2 EGND
19 VDD +3.3Vdd
20 PTD0/TPM1CH0 RF LED
21 PTD1/TPM1CH1 Red LED (Active High)
22 PTD2/TPM1CH2Green LED (Active High)
23 PTD3/TPM2CH0 ANT_A
24 PTD4/TPM2CH1 ANT_B
25 PTB0/AD1P0 NOISE_A2D
26 PTB1/AD1P1 TONEKEY_A2D
27 PTB2/AD1P2 RSSI_A2D
28 PTB3/AD1P3 AUDIO_A2D
29 PTB4/AD1P4 NC
30 PTB5/AD1P5 NC
31 PTB6/AD1P6 NC
32 PTB7/AD1P7 NC
33 VREFH +3.3Vdd
34 VREFL EGND
35 PTA0/nKBI1P0 CLOCK
36 PTA1/nKBI1P1 DATA
37 PTA2/nKBI1P2 LE
38 PTA3/nKBI1P3 AUDIO_MUTE
39 PTA4/nKBI1P4 NC
40 PTA5/nKBI1P5 TP_ATECLK
41 PTA6/nKBI1P6 TP_ATEDATA
42 PTA7/nKBI1P7 TP_ATELE
43 VDDAD +3.3Vdd
44 VSSAD EGND
45 PTG0/BKGD/MS TP_BKGD
46 PTG1/XTAL Crystal
47 PTG2/EXTAL Crystal
48 PTG3 PLL_LD

Shure PG4 Specifications

General

Image Rejection	>60 dB
Tuning Steps	25 kHz
Output Connectors	1/4" unbalanced
Power Requirements	12-18 VDC
RF Sensitivity	-90 dBm for 12 dB SINAD
Audio THD	0.5%