668-0003-C Rabbit Semiconductor, 668-0003-C Datasheet - Page 65

• Manufacturer Part Number: 668-0003-C
• Description: IC CPU RABBIT2000 30MHZ 100PQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 668-0003-C

• Rohs Status: RoHS non-compliant
• Processor Type: Rabbit 2000 8-Bit
• Speed: 30MHz
• Voltage: 2.7V, 3V, 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 100-MQFP, 100-PQFP
• Features: -
• Other names: 316-1004; 668-0003

5.5 Description of Pins with Alternate Functions
Chapter 5 Pin Assignments and Functions
STATUS (38)
SMODE1 (35)
SMODE0 (36)
CLK (1)
/WDTOUT (34)
PA7 (88)
PA6 (87)
PA5 (86)
PA4 (85)
PA3 (84)
PA2 (83)
PA1 (82)
PA0 (81)
PB7 (100)
PB5 (98)
PB4 (97)
PB3 (96)
PB2 (95)
Pin Name
Table 5-2. Pins With Alternate Functions
1. Low on first op code
fetch.
2. Low on interrupt
acknowledge
1. Peripheral clock.
2. Peripheral clock/2.
Outputs 30.5 µs pulse on
watchdog timeout
(processor is also reset).
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
/SLAVEATTN (master
needs attention from
slave).
Output Function
(SMODE0, SMODE1)
Startup boot mode
control.
(SMODE0, SMODE1)
Startup boot mode
control.
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
SA1 (slave address).
SA0
/SRD (strobe for master
to read a slave register).
/SWR (strobe for master
to write slave register).
Input Function
Programmable output
port high/low
1-bit input after boot
complete.
1-bit input after boot
complete.
Programmable output
port high/low
Outputs a pulse between
30.5 and 61 µs under
program control.
Other Function
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