st2604b Sitronix Technology Corporation, st2604b Datasheet - Page 3

• Manufacturer Part Number: st2604b
• Description: 8-bit Integrated Microcontroller
• Manufacturer: Sitronix Technology Corporation

2
BLOCK DIAGRAM
CS5
PSGO/PSGOB
CS6
PVCC/PGND
~
TCO0/PE0
TCO1/PE1
VCC/GND
MMD/CS0
/A23
BCO/PE2
1
TEST
/PD4
OSCXO
RESET
A[22:0]
OSCXI
PE7~2
PF7~0
D[7:0]
OSCI
/PD5
WR
XIO
VIN
RD
~
0
Low Voltage
Port - D
PWM DAC
Port - E
Port - E
Port - F
Low Voltage
Power On
Generator
Generator
External
Memory
Detector
OSCX
Reset
Reset
PSG /
Clock
Clock
OSC
8 - bit
Bus
Chip Select
Clocking
FIGURE 2-1 ST2604B Block Diagram
Output
Logic
512K bytes
Control
ROM
Bank
Logic
DMA
Timer
0/1/2/3
-
8 - bit Static
12
Controller
3.5K bytes
Interrupt
SRAM
CPU
3/33
bit
Base Timer
Baud Rate
Generator
WDT
8 - bit
De - bounce
UART with
IrDA Mode
Transition
Controller
Detector
Driver
Logic
LCD
LCD
SPI
Port - C
Port - C
Port - C
Port - D
Port - A
Port - B
Port - L
COM 35~0
SEG 63~0
PA7~0
PB6~0
INTX/PC0
SCK/PC1
MOSI/PC3
SS
DATA_READY
TXD0/PC6
RXD0/PC7
TXD1/PD6
RXD1/PD7
LD[3:0]/PL3~0
CP/PL4
LOAD1/PL6
FLM/PL7
BLANK
LOAD2
MISO/PC2
AC/PL5
POFF
/PC4
/PC5
ST2604B