
TMC2246A
PRODUCT SPECIFICATION
REV. 1.0.3 9/11/00
5
Pin Descriptions
Pin Name
Pin Number
Pin Function Description
CPGA/PPGA/
MPGA
MQFP
Power
V
DD
F3, H3, L7, C8
12, 20, 46, 102
Supply Voltage.
supply. All power and ground pins must be connected.
Ground.
The TMC2246A operates from a single +5V supply. All
power and ground pins must be connected.
The TMC2246A operates from a single +5V
GND
E3, G3, J3, L6,
H11, C7
8, 16, 24, 42,
72, 106
Clock
CLK
C3
1
System Clock.
clock input. The rising edge of clock strobes all enabled registers.
All timing specifications are referenced to the rising edge of CLK.
The TMC2246A operates from a single master
Inputs
D1
9-0
M1, K3, L2, N1,
L3, M2, N2, L4,
M3, N3
J12, K13, J11,
K12, L13, L12,
K11, M13, M12,
L11
J13, H12, H13,
G12, G11, G13,
F13, F12, F11,
E13
B4, C5, A4, B5,
A5, C6, B6, A6,
A7, B7
27, 28, 29, 30,
31, 32, 33, 34,
35, 36
70, 69, 68, 67,
66, 65, 64, 63,
62, 61
Data Input Ports.
The LSB is Dx
D1 through D4 are the 10-bit data input ports.
0
.
D2
9-0
D3
9-0
71, 73, 74, 75,
76, 77, 78, 79,
80, 81
D4
9-0
115, 114, 113,
112, 111, 110,
109, 108, 107,
105
37, 38, 39, 40,
41, 43, 44, 45,
47, 48, 49
60, 59, 58, 57,
56, 55, 54, 53,
52, 51, 50
C1
10-0
M4, L5, N4, M5,
N5, M6, N6, M7,
N7, N8, M8
N13, M11, L10,
N12, N11, M10,
L9, N10, M9,
N9, L8
E12, D13, E11,
D12, C13, B13,
D11, C12, A13,
C11, B12
A8, B8, A9, B9,
A10, C9, B10,
A11, B11, C10,
A12
Coefficient Input Ports.
input ports. The LSB is Cx
C1 through C4 are the 11-bit coefficient
.
0
C2
10-0
C3
10-0
82, 83, 84, 85,
86, 87, 88, 89,
90, 91, 92
C4
10-0
104, 103, 101,
100, 99, 98, 97,
96, 95, 94, 93
Outputs
S
15-0
C1, D2, D1, E2,
E1, F2, F1, G2,
G1, H1, H2, J1,
J2, K1, K2, L1
6, 7, 9, 10, 11,
13, 14, 15, 17,
18, 19, 21, 22,
23, 25, 26
Sum Output.
output. The LSB is S
The current 16-bit result is available at the Sum
. See the Functional Block Diagram
0
.