cs7410 Cirrus Logic, Inc., cs7410 Datasheet - Page 22

• Manufacturer Part Number: cs7410
• Description: Cd/mp3/wma Audio Controller
• Manufacturer: Cirrus Logic, Inc.

4.
4.1
22
PIN DESCRIPTION
Pin Identification
Figure 17
Table 6
I: Input
S: Schmitt trigger on input
U: Pull up resistor
O: Output
O4: Output – 4mA drive
T4: High Z output – 4mA drive
B: Bi-direction
CD Interface
(11 pins)
(17 pins)
Serial I/O
(8 pins)
Misc.
(4 pins)
GPIO
lists the conventions used to identify the pin type and direction.pin assignments.
shows the CS7410 pins grouped by function, also showing the number of pins in each group.
XTLCLK_O
SER1_CLK
SER1_DAT
SER2_CLK
SER3_CLK
SER4_DAT
CD_DATA
CD_C2P0
SER4_CLK
CD_BCLK
CD_LRCK
XTLCLK_I
KP_ IN[4:0]
KP_IN[4:0]
SER2_DO
SER2_CS
SER3_DO
SER3_DO
SER3_DO
SER3_DO
GPIO[3:0]
SER2_DI
RST_N
TEST
IR_IN
Figure 17. CS7410 Pin Identification
Table 6. Pin Type and Direction Legend
CS7410
B4: Bi-direction – 4mA drive
D4: Bi-direction with 4mA open drain output
Pwr: +2.5V or +3.3V power supply voltage
Gnd: Power supply ground
Name_N: Low active
Name_L: Low active
-
M_D_[15:0]
DR_RAS_L
DR_CAS_L
DAC_RP
DAC_RN
DR_BS_L
PCM_DO_[1:0]
DAC_LP
DAC_LN
SERVOCK
PCM_MUTE
IEC958_O
M_WE_L
M_AP_OE
DR_CKO
NVM_CE_L
PCM_XCK
PCM_BCK
PCM_LRCK
M_A_[11:0]
DR_CKE
Memory
Interface
(36 pins)
Audio Out
(8 pins)
DAC Out
Digital
Audio
(4 pins)
CS7410
DS553PP3