DS_1210F_001
73S1210F Data Sheet
ON_OFF
ICE INTERFACE
OFF_REQ
POWER
VDD
PLL
and
TIMEBASES
REGULATION
AND VCC
CONTROL
LOGIC
VDD
VCC
VOLTAGE REFERENCE
AND FUSE TRIM
CIRCUITRY
VPD REGULATOR
GND
X12IN
12MHz
OSCILLATOR
X12OUT
RST
CLK
VDD
OCDSI
SMART
CARD
ISO
I/O
FLASH/ROM
INTERFACE
AUX1
PROGRAM
MEMORY
32KB
MEMORY_
CONTROL
UNIT
CONTROL
GND
AUX2
RAM_
SFR_
CONTROL
ROW0
ROW1
ROW2
ROW3
TIMER_0_1
CORE
PRES
SCRATCH
IRAM
256B
FLASH
INTERFACE
ROW4
ROW5
COL0
COL1
COL2
COL3
COL4
KEYPAD
INTERFACE
EXTERNAL
SMART
CARD
SCLK
SIO
ALU
INTERFACE
WATCH-
DOG
TIMER
PMU
DATA
XRAM
2KB
INT2
INT3
PORTS
ISR
SERIAL
SCL
SDA
I2
C
USR0
USR1
USR2
MASTER
INT.
USR3
USR4
USR5
USR6
USR7
PERIPHERAL
INTERFACE
and SFR LOGIC
LED
DRIVER
Pins available on both 68 and 44-pin packages.
Pins only available on 68-pin package.
Figure 1: IC Functional Block Diagram
Rev. 1.4
7
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
