Rainbow Electronics DS3170 - Manual (Page 126)

DS3170 DS3/E3 Single-Chip Transceiver
126 of 233
11.2 Global Registers
Table 11-11. Global Register Map
Address
Register
Register Description
000h GL.IDR Global ID Register
002h GL.CR1 Global Control Register 1
004h GL.CR2 Global Control Register 2
006h -- Unused
008h -- Unused
00Ah GL.GIOCR Global General Purpose IO Control Register
00Ch -- Unused
00Eh -- Unused
010h GL.ISR Global Interrupt Status Register
012h GL.ISRIE Global Interrupt Enable Register
014h GL.SR Global Status Register
016h GL.SRL Global Status Register Latched
018h GL.SRIE Global Status Register Interrupt Enable
01Ah -- Unused
01Ch GL.GIORR Global General Purpose IO read register
01Eh -- Unused
11.2.1 Register Bit Descriptions
Register Name:
GL.IDR
Register Description: Global ID Register
Register Address: 000h
Bit
# 15 14 13 12 11 10 9 8
Name ID15 ID14 ID13 ID12 ID11 ID10 ID9 ID8
Bit # 7 6 5 4 3 2 1 0
Name ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0
Bits 15 to 12: Device REV ID Bits 15 to 12 (ID15 to ID12). These bits of the device ID register has same
information as the four bits of JTAG REV ID portion of the JTAG ID register. JTAG ID[31:28].
Bits 11 to 0: Device CODE ID Bits 11 to 0 (ID11 to ID0). These bits of the device code ID register has same
information as the lower 12 bits of JTAG CODE ID portion of the JTAG ID register. JTAG ID[23:12].