AT94K ATMEL Corporation, AT94K Datasheet - Page 69

• Manufacturer Part Number: AT94K
• Description: 5K - 40K Gates of At40k FPGA with 8-bit Microcontroller, up to 36K Bytes of SRAM and On-chip JTAG ICE
• Manufacturer: ATMEL Corporation

Figure 39. Block Diagram
Rev. 1138F–FPSLI–06/02
TDI
TDO
TCK
TMS
CONTROLLER
M
U
X
TAP
JTAG INSTRUCTION
DEVICE BOUNDARY
BREAKPOINT
SCAN CHAIN
SCAN CHAIN
AVR RESET
REGISTER
DEVICE ID
REGISTER
REGISTER
BYPASS
DECODER
ADDRESS
RESET CONTROL
PROGRAM/DATA
AND CONTROL
BREAKPOINT
OCD STATUS
SCAN CHAIN
SCAN CHAIN
FPGA-SRAM
FPGA-AVR
SRAM
UNIT
UNIT
M
U
X
2-wire Serial
PORT E
INTERNAL
FLOW CONTROL
CHAIN
SCAN
UNIT
AVR BOUNDARY-SCAN CHAIN
AT94K Series FPSLIC
PC
Instruction
COMMUNICATION
OCD / AVR CORE
PERIPHERAL
INTERFACE
AVR CPU
DIGITAL
UNITS
69