Service manual

UX-510UA
FO-1470U
1 VSS −−−Digital ground.
2 D[3] I/O Tu 13Xs CPU data bus.
3 D[2] I/O Tu 13Xs CPU data bus.
4 D[1] I/O Tu 13Xs CPU data bus.
5 D[0] I/O Tu 13Xs CPU data bus.
6 A[23]/EYEXY I/O Tu 13Xs CPU address bus.
7 A[22]/EYESYNC I/O Tu 13Xs CPU address bus.
8 A[21]/EYECLK I/O Tu 13Xs CPU address bus.
9 A[20] I/O Tu 13Xs CPU address bus.
10 A[19] I/O Tu 13Xs CPU address bus.
11 A[18] I/O Tu 13Xs CPU address bus.
12 VDD −−−Digital power.
13 A[17] I/O Tu 13Xs CPU address bus.
14 A[16] I/O Tu 13Xs CPU address bus.
15 A[15] I/O Tu 13Xs CPU address bus.
16 A[14] I/O Tu 13Xs CPU address bus.
17 VSS −−−Digital ground.
18 A[13] I/O Tu 13Xs CPU address bus.
19 A[12] I/O Tu 13Xs CPU address bus.
20 A[11] I/O Tu 13Xs CPU address bus.
21 A[10] I/O Tu 13Xs CPU address bus.
22 A[9] I/O Tu 13Xs CPU address bus.
23 A[8] I/O Tu 13Xs CPU address bus.
24 A[7] I/O Tu 13Xs CPU address bus.
25 A[6] I/O Tu 13Xs CPU address bus.
26 A[5] I/O Tu 13Xs CPU address bus.
27 A[4] I/O Tu 13Xs CPU address bus.
28 VDD −−−Digital power.
29 A[3] I/O Tu 13Xs CPU address bus.
30 A[2] I/O Tu 13Xs CPU address bus.
31 A[1] I/O Tu 13Xs CPU address bus.
32 A[0] I/O Tu 13Xs CPU address bus.
33 GPIO[20]/ALTTONE I/O Hu 13Xs GPIO[20] or ALTTONE.
34 NC −−−No connection.
35 NC −−−No connection.
36 NC −−−No connection.
37 NC −−−No connection.
38 NC −−−No connection.
39 GPIO[19]/RDY/SEROUT I/O Hu 13Xs GPIO[19], bus ready or serial port data output for autobaud detection.
40 GPIO[11]/BE/SERINP I/O Hu 13Xs GPIO[11], bus enable or serial port data input for autobaud detection.
41 VSS −−−Digital ground.
42 PCLK/DMAACK O − 3XC Thermal Print Head (TPH) clock or ext. DMA acknowledge.
43 PDAT O − 2XC Serial printing data (to TPH).
44 PLAT O − 3XC TPH data latch.
45 STRB[3] O − 1XC Strobe signal for TPH.
46 STRB[2] O − 1XC Strobe signal for TPH.
47 STRB[1] O − 1XC Strobe signal for TPH.
48 STRB[0] O − 1XC Strobe signal for TPH.
49 STRBPOL/DMAREQ I H − Sets strobe polarity active high/low or ext. DMA request.
50 VDD −−−Digital power.
51 GPIO[17] I/O Hu 13Xs GPIO[17].
52 GPIO[16]/IRQ[8] I/O Hu 13Xs GPIO[16] or ext. interrupt with priority 8.
53 GPIO[15]/CS[5]n I/O Hu 13Xs GPIO[15] or I/O chip select 5.
54 GPIO[14]/CS[4]n I/O Hu 13Xs GPIO[14] or I/O chip select 4.
55 GPIO[13]/CS[3]n I/O Hu 13Xs GPIO[13] or I/O chip select 3.
56 GPIO[12]/CS[2]n I/O Hu 13Xs GPIO[12] or I/O chip select 2.
57 GPIO[4]/CPCIN I/O Hu 13Xs GPIO[4] or Call Party Control input.
58 VSS −−−Digital ground.
59 LEDCTL/GPO[16] O − 4XC Indicates the OPO[7:0] outputs are for LEDs or GPO[16].
60 NC −−−No connection.
61 LEDCS/GPO[17] O − 1XC LCD Chip select or GP0[17].
62 GPIO[7]/SSRXD2 I/O Hu 13Xs GPIO[7] or SSIF2 receive data.
63 GPIO[6]/SSTXD2 I/O Hu 13Xs GPIO[6] or SSIF2 transmit data.
SCE114 (IC9) Terminal descriptions
5 – 3
Pin
Pin List I/O
Input Output
Pin Description
No. Type Type