Ic Data - Yamaha CRX-040 Service Manual

CRX-040/CRX-140/NS-BP80

■ IC DATA

IC267: R5F3640DNFA CPU (MAIN P.C.B.)
Single-chip 16-bit CMOS microprocessor
DEB_TXD1
DEB_RXD1
DEB_CLK1
DEB_BUSY
ASEL_SDA
USB_DET_OFF
nAMP_MUTE
PRY_CTRL
nDEB_EMP
nRDS_RST
nDAB_RST
50
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8 8
Port P0 Port P1 Port P2
VCC2 ports
Internal peripheral functions
Timer (16-bit)
Outputs (timer A): 5
Inputs (timer B): 6
Three-phase motor control circuit
Watchdog timer
(15-bits)
A/D converter
(10-bits X 26-channels)
D/A converter
(8-bits X 2-channels)
VCC1 ports
Port P10 Port P9
8 8
31
32
33
34
35
ASEL_SCL
36
37
38
CLKOUT
39
40
41
RDS_RDY 42
43
44
nICP_RST 45
nDEB_CE
46
CD_MOSI
47
CD_MISO 48
CD_SCK 49
CD_CS 50
8
8 8
Port P3 Port P4 Port P5
UART or clock synchronous
serial I/O
(6-channels)
Clock synchronous
serial I/O
(8 bits x 2 channels)
M16C/60 series
Microprocessor core
SB
R0H R0L
USP
R1H R1L
R2
ISP
R3
INTB
A0
PC
A1
A1
FB
FLG
FB
Port P8 Port P7 Port P6
8 8 8
8
Clock generation circuit
X -X
IN OUT
X -X
CIN COUT
PLL frequency synthesizer
On-chip oscillator (125 kHz)
DMAC
(4 channels)
CRC arithmetic circuit (CCITT)
16 12 5
(Polynomial : X +X +X +1)
Memory
ROM
RAM
Multiplier
100 TUN_MISO
AVcc
99
98 VRef
97 KEY0
96 AVSS
95 PS1_PRT
94 PS2_PRT
DEST
93
92 MODEL
91 PS3_PRT
90 (reserved)
89 (reserved)
88 IPD_PON
TUN_MUTE
87
86 nTUN_CS
85 nTUN_TUND
84 TUN_ST
83 nFL_RST
82 nFL_CS
(reserved)
81