•
SWL01U
(YA876A01)
CPU
PIN
NO.
NAME
I/O
FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
1
–
–
Unconnected inside
45
–
–
Unconnected inside
2
–
–
Unconnected inside
46
–
–
Unconnected inside
3
EA3/PD3/KYN24
I
ON/OFF signal from keyboard
47
–
–
Unconnected inside
4
EA2/PD2/KYN23
I
48
TXD0/PG4
O
Serial port I/F
5
EA1/PD1/KYN22
I
49
RXDO/PH4
I
Serial port I/F
6
EA0/PD0/KYN21
I
50
TXD1/PG2
O
Serial port I/F
7
ED0/PC0/KYN11 I/O
Key selection signal to keyboard
51
RXD1/PH1
I
Serial port I/F
8
ED1/PC1/KYN12 I/O
52
SCLK1/PH2
I
Serial port I/F
9
ED2/PC2/KYN13 I/O
53
UCTL
I
Fixed to L when USB is used /
Fixed to H when USB is unused
10 ED3/PC3/KYN14 I/O
54
VDD
P
Digital core power supply
11 ED4/PC4/KYN15 I/O
55
VSS
G
Digital core ground
12 ED5/PC5/KYN16 I/O
56
AVDD
AP
Analog poser supply
13 ED6/PC6/KYB05 I/O
57
AVREF
AI
ADC reference
14 ED7/PC7/KYB06 I/O
58
AN0
AI
ADC input
15
PROTN
I
For distinction between trial production and
commodity products
59
AN1
AI
ADC input
16
BISTMD
Is
Memory BIST mode (1: BIST mode)
60
AN2
AI
ADC input
17
BISTCLK
Is
Memory BIST clock
61
AN3
AI
ADC input
18
PLLBPN
Is
PLL bypass mode (0: PLL bypass)
62
AGNDREF
AI
ADC ground reference
19
TESTN
Is
Test mode (0: test mode)
63
AVSS
AG
Analog ground
20
VSS
G
Digital core ground
64
USB VDD
USBP USBIO power 1.8V
21
XI
XI
Crystal oscillator/Clock input (38.8688 MHz)
65
FUNC_DM
IO
USB data -
22
XO
XO
Crystal oscillator
66
FUNC_DP
IO
USB data +
23
VDD
P
Digital core power supply
67
USBVSS
USBG USBIO ground
24
VSS
G
Digital core ground
68
USBIOVDD
USBIOP USBIO power 3.3V
25
IOVDD
IOP IO power supply
69
VSS
G
Digital core ground
26
TRSTN
I
JTAG I/F reset
70
VDD
P
Digital core power supply
27
TMS
I
JTAG I/F mode
71
XI_UCLK
XI
Crystal oscillator/Clock input (48 MHz)
28
TCK
I
JTAG I/F clock
72
XO_UCLK
XO
Crystal oscillator
29
TDI
I
JTAG I/F input
73
VSS
G
Digital core ground
30
TDO
O
JTAG I/F output
74
IOVDD
IOP IO power supply
31
VDD
P
Digital core power supply
75
VBUS
I
USB Vbus
32
PLL VDD
P
Digital PLL power supply (common to digital
core power supply inside)
76
PULLUPE
O
USB pull-up enable
33
PLL VSS
G
Digital core ground
77
CSON/PGO
O
Chip select for area 2
34
VSS
G
Digital PLL ground (common to digital core
ground inside)
78
PDN/PF4
O
External memory read signal
35
WCLK/SYO
O
Word clock (1Fs=44.1 kHz)
79
MA01
O
External memory address
36
PFO
O
Port for output only
80
MD00
IO+
External memory data bus
37
SDO1
O
Audio output data (with EQ & comp)
81
MD08
IO+
38
SDO0
O
(Output data equivalent to SWL01) /
Selection signal to keyboard
82
MD01
IO+
39
BCLK
O
Bit clock (64Fs)
83
MD09
IO+
40 SYSCLK/PG3
O
System clock (256Fs/384Fs/768Fs)
84
MD02
IO+
41
SD1/PH3
I
Serial audio input data
85
MD10
IO+
42
VSS
G
Digital core ground
86
–
Unconnected inside
43
IRGON/PHO
Is
Interrupt input
87
–
Unconnected inside
44
–
–
Unconnected inside
88
–
Unconnected inside
P-35B
P-105B/P-105WH/P-35B/L-85WH/LP-5AWH
28