T8207-BAL-DT Agere Systems, Inc., T8207-BAL-DT Datasheet - Page 76

• Manufacturer Part Number: T8207-BAL-DT
• Description: CelXpres ATM interconnect. Dry-bagget, tape & reel .
• Manufacturer: Agere Systems, Inc.

CelXpres T8207
ATM Interconnect
13 JTAG Test Access Port
13.2 Boundary-Scan Register
The boundary-scan register (BSR) is 222 bits in length. Table 22 gives descriptions of each cell in the boundary-
scan chain beginning with the least significant bit.
Table 22. Boundary-Scan Register Descriptions
76
Boundary-Scan
Register Bit
29—60
65—72
74—81
0—4
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
61
62
63
64
73
82
83
11
5
6
7
8
9
CB_D_N(0:31)
GPIO_OE(0)
GPIO_OE(1)
GPIO_OE(2)
GPIO_OE(3)
GPIO_OE(4)
GPIO_OE(5)
GPIO_OE(6)
GPIO_OE(7)
ENARB_OE
CB_ACK_N
CB_WC_N
RD_WR_N
CB_DISBL
UA_N(0:4)
CB_RC_N
RESET_N
CKOE_IN
CB_F_N
GPIO(0)
GPIO(1)
GPIO(2)
GPIO(3)
GPIO(4)
GPIO(5)
GPIO(6)
GPIO(7)
ENARB
MOTO
CKOE
Name
A(0:7)
D_OE
D(0:7)
MUX
CKO
(continued)
cb_disable* Input.
cb_d*[0:31] Bidirectional.
Pin Name
arb_enb*
ua*[0:4]
cb_ack*
a[0]/ale,
mot_sel
cb_wc*
rd*_rw*
gpio[0]
gpio[1]
gpio[2]
gpio[3]
gpio[4]
gpio[5]
gpio[6]
gpio[7]
cb_fs*
cb_rc*
cko_e
reset*
a[1:7]
d[0:7]
mux
cko
—
—
—
—
—
—
—
—
—
—
—
Bidirectional.
Input.
ENARB is an input when ENARB_OE = 0.
CKO is high impedance when CKOE_IN = 0.
3-statable output.
Input.
GPIO(0) is an input when GPIO_OE(0) = 0.
Bidirectional.
GPIO(1) is an input when GPIO_OE(1) = 0.
Bidirectional.
GPIO(2) is an input when GPIO_OE(2) = 0.
Bidirectional.
GPIO(3) is an input when GPIO_OE(3) = 0.
Bidirectional.
GPIO(4) is an input when GPIO_OE(4) = 0.
Bidirectional.
GPIO(5) is an input when GPIO_OE(5) = 0.
Bidirectional.
GPIO(6) is an input when GPIO_OE(6) = 0.
Bidirectional.
GPIO(7) is an input when GPIO_OE(7) = 0.
Bidirectional.
Input.
Input.
Bidirectional.
Bidirectional.
Input.
Input.
Input.
D(0:7) are inputs when D_OE = 0.
Bidirectional.
Input.
Input.
Description
Advance Data Sheet
September 2001
Agere Systems Inc.