You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>KX</strong>-<strong>TDA100BX</strong><br />
9 MPR CARD CIRCUIT OPERATION<br />
9.1. MPR CARD<br />
9.1.1. Outline<br />
1) Function<br />
· System Control<br />
· Circuit Switching (includes gain adjustment function)<br />
· Conference Call (3 people x 8 ~ 8 people x 3)<br />
· MOH<br />
· PAGING<br />
· Clock<br />
2) Configuration<br />
· Power Supply: DC/DC Converter<br />
· CPU: HITACHI SH7709S (133MHz)<br />
· ASIC: Our own products<br />
· ROM: 4Mbit x 1 (for boot programs)<br />
· SDRAM: 64Mbit x 2 (for work area)<br />
· SRAM: 4Mbit x 2 (for user data backup)<br />
· SD card I/F (for operating programs) x 1<br />
· USB I/F (for PC programming) x 1<br />
· MOH: External sound input x 2<br />
· PAGING: External output x 2<br />
· Expanded memory connector x 1<br />
· Modem card connector x 1<br />
3) Operation Rating<br />
· Power Input : +15V<br />
· Power Output : +15V (for MOH)<br />
+3.3V (for I/O)<br />
+3.3VBB (back board signal line pull-up)<br />
+3.3VB (for SRAM backup)<br />
+1.8V (for CPU core)<br />
+1.9VB (for clocking backup)<br />
±9.4V (for RS-232C driver/receiver)<br />
+5VRMT unused (for remote card)<br />
+5V (for RS-232C driver/receiver)<br />
23
Change language