CM220L C-Media Electronics, Inc., CM220L Datasheet - Page 7

• Manufacturer Part Number: CM220L
• Description: Updateable USB2.0 Card Reader Controller
• Manufacturer: C-Media Electronics, Inc.

4. PIN DESCRIPTIONS & ASSIGNMENT
Date: 8/2/2005
Pin#
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
48
10
11
12
pin #
100
NC
NC
NC
NC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
2
3
4
5
6
7
8
9
pin #
128
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
11
1
2
3
4
5
6
7
8
9
SMCD
SMCEB
SMWP
TMODE
CFLED
VCC3V(O)
CFPWR
CFD[11]
CFD[4]
CFD[12]
CFD[5]
CFD[13]
CFD[6]
CFD[14]
CFD[7]
VCC3V(O)
GND(O)
CFD[15]
CFCS0
CFCS1
CFIOR
CFIOW
CFRST
CFSA[2]
CFSA[1]
CFSA[0]
CFD[0]
XDCD
GPIO1
GND(O)
CFD[3]
Symbol
DI, PU
DI, PU
DO
DI, PU
DI, PD
DI
DO
DO
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DO,
DO,
DO,
DO,
DO,
DO,
DO,
DO,
DIO, PD
I/O Type
XD Card detect pin, low active
SM Card detect pin, low active
SM card enable, low active
SM card write protect, low active
Chip test mode enable, High active
General Purpose Input Output
CF Card access indicator Led, High active
Digital power. Connected to 3.3 V
Digital Ground pin
CF Card power control, low active
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
Digital power. Connected to 3.3 V
Digital Ground pin
CF card data bus
CF card select 0
CF card select 1
CF card read enable, low active
CF card write enable, low active
CF card reset, low active
CF card address bus
CF card address bus
CF card address bus
CF card data bus
Updateable USB2.0 Card Reader Controller
- 7 -
Description
Version: 1.4
CM220