Ic Pin Function Description - Sony DRN-XM01C Service Manual

DRN-XM01C/XM01R/XM01H/
XM01CK/XM01HK

6-12. IC PIN FUNCTION DESCRIPTION

• IC501 TMP91CW12AF-SR7501 (CPU)
Pin No. Pin Name
1 VREFL
2 AVSS
3 AVCC
4 TUNER_LE
5 BUZZER
6 POWER_DIG
7 TUNER_POWER_EN
8 DEC_RESET
9 USB_RESET
10 SDEC_INT
11 CPU11
12 CPU12
13 LCD_POWER
14 CDEC_INT
15 CPU15
16 LCD_CS
17 LCD_A0
18 LCD_SI
19 LCD_RESET
20 LCD_CLK
21 TXD1
22 RXD1
23 CRADLE
24 AM0
25 DVCC
26 X2
27 DVSS
28 X1
29 AM1
30 RESET
31 XT1
32 XT2
33 EMU0
34 EMU1
35 KEY INT1
36 JOG_A INT2
37 IR INT3
38 USB INT4
39 DAC_LE
40 DAC_CLK
41 DAC_RESET
42 DAC_DATA
43 ALE
44 to 59 AD0 - 15
60 A16
61 A17
62 DVSS
63 NMI
64 DVCC
65 A18
40
I/O
– Analog reference voltage (ground)
– Analog ground
– Analog power supply
O Tuner LE signal output
O Buzzer control signal output
O Power control signal output(CDEC,SDEC,ANT)(H:active)
O Tuner power enable signal output (H:active)
O CDEC and SDEC reset signal output
O USB micom reset signal output
I SDEC interrupt signal input
O Not used (open)
O Not used (open)
O LCD power control signal output (L:off,H:on)
I CDEC interrupt signal input
O Not used (open)
O LCD chip select signal output
O LCD A0 signal output
O LCD data signal output
O LCD reset signal output
O LCD clock signal output
O For writing internal flash memory (open)
I For writing internal flash memory (pull-down)
I Not used
– Operation mode setting input (pull-up)
– Power supply
– Connection for a crystal resonator (Main system clock)
– Ground
– Connection for a crystal resonator (Main system clock)
– Operation mode setting input (pull-up)
I System reset input
– Connection for a crystal resonator (sub clock)
– Connection for a crystal resonator (sub clock)
– Not used (open)
– Not used (open)
I Key interrupt signal input
I JOG A interrupt signal input
I IR interrupt signal input
I USB interrupt signal input from the USB micom
O Strobe clock signal output to the DAC
O Mode control signal output for BCKIN
O DAC reset signal output
O Mode control signal output for data
O Address latch enable signal output
I/O Address/data bus
O Address bus
O Address bus
– Ground
I Non-maskable interrupt input (pull-up)
– Power supply
O Address bus
Description