ML67Q4002 OKI [OKI electronic componets], ML67Q4002 Datasheet - Page 3

• Manufacturer Part Number: ML67Q4002
• Description: 32-bit ARM-Based General-Purpose Microcontroller
• Manufacturer: OKI [OKI electronic componets]

BLOCK DIAGRAM
TDI
TDO
nTRST
TMS
TCK
OKI Semiconductor
PIOB[6] / STXD
PIOB[7] / SRXD
RESET_N
OSC0
OSC1_N
CKOE_N
CKO
PIOE[8:5] / EXINT[3:0]
PIOE[9] / EFIQ_N
VDD_CORE
VDD_IO
GND
AVDD
AGND
DRAME_N
TEST
BSEL[1:0]
FWR
JSEL
ARM7TDMI
Bridge
System
AHB
Bridge
5
TMR
APB
APB bus
µPLAT-7B
AHB bus
AMBA
AMBA
UART
Internal RAM
Internal &
External
Memory
controller
32KB
IRC
TIC
System
Control
CGB
5
DRAMC
Exp.
IRC
Bridge
APB
ML67Q4002 : 256KB
ML67Q4003 : 512KB
Internal (MCP)
FLASH ROM
APB bus
Boot ROM
4KB
DMAC
16 bit x 6ch
16 bit x 2ch
WDT
(16550)
UART
SSIO
PWM
TMR
GPIO
A/D
I2C
PIOC[6:2] / XA[23:19]
XA[18:0]
XD[15:0]
PIOC[7] / XWR
XOE_N
XWE_N
XBWE_N[1:0]
XROMCS_N
XRAMCS_N
XIOCS_N[3:0]
XBS_N[1:0]
PIOD[0] / XWAIT
PIOD[1] / XCAS_N
PIOD[2] / XRAS_N
PIOD[3] / XSDCLK
PIOD[4] / XSDCS_N
PIOD[5] / XSDCKE
PIOD[6] /
PIOD[7] /
2
2
2
ML674001/67Q4002/67Q4003
42
PIOA[7:0]
PIOB[7:0]
PIOC[7:0]
PIOD[7:0]
PIOE[9:0]
2
8
3
2
5
XDQM[1]/XCAS_N[1]
XDQM[0]/XCAS_N[0]
PIOC[1:0] / PWMOUT[1:0]
PIOA[0] / SIN
PIOA[1] / SOUT
PIOA[2] / CTS
PIOA[3] / DSR
PIOA[4] / DCD
PIOA[5] / DTR
PIOA[6] / RTS
PIOA[7] / RI
PIOE[0] / SCLK
PIOE[1] / SDI
PIOE[2] / SDO
PIOE[3] / SDA
PIOE[4] / SCL
AIN[3:0]
VREF
PIOB[0] / DREQ[0]
PIOB[2] / DREQ[1]
PIOB[1] / DREQCLR[0]
PIOB[3] / DREQCLR[1]
PIOB[4] / TCOUT[0]
PIOB[5] / TCOUT[1]
FEDL674001-01
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