Rainbow Electronics 78M6631 - Manual (Page 6)

78M6631 Data Sheet DS_6631_056
6 Rev 1
∆Σ ADC
CONVERTER
VREF
MUXP
XIN
XOUT
VREF
RESET
V1
UART
TX
RX
DIGITAL I/O
POWER FAULT
GNDD
V3P3A
V3P3D
VOLT
REG
2.5V to Logic
TMUXOUT
FAULTZ
GNDA
VBIAS
TEMP
OSC
(32.768kHz)
MCK
PLL
VREF
CKTEST TEST
MODE
E_ RXTX
RTC
VBIAS
ICE_E
TEST
MUX
V3P3D
CE_ PROG
CK_CE
CK_MPU
80MHz
VADC
CE
MULTI-
PURPOSE
IO
RTM
RPULSE
WPULSE
DIO_4...
to TMUX
SPI SLAVE
EEPROM I/F
FLASH
128KB
XRAM
4kB
CE_ DATA
PCSZ
PCLK
PSDI
PSDO
SDATA
SDCK
SFR
80515
MPU
EMULATOR
E_ TCLK
E_ RSTZ
E_ RXTX
E_ TCLK
E_RST
R
P
U
LS
E
W
PU
LS
E
XRAM BUS
8
16
32
CKTEST
ICE_E
CKTESTI
PCLK
PSDO
PCSZ
PSDI
FIR
VB
VC
VA
XPULSE
YPULSE
XP
U
LS
E
YP
U
LS
E
IBN
ICP
ICN
IBP
IAP
IAN
DIO3
DIO4/SDCK
DIO5/SDATA
DIO6
DIO8
DIO9
D/Y
DIO11
DIO17
DIO24
DIO25
DIO45
DIO47
V3P3SYS
VBAT
DIO51
DIO53
DIO30
DIO55
DIO29
Figure 1: 78M6631 IC Functional Block Diagram