Address Decode
Peripheral bus
Register A
OFF
ON
Program RAM
internal multi-
N2HET sync
Slave
Master
HETGCR.16
HETGCR.0
32 ALU
Compare
To VIM
HETOFF2.7:0
HETOFF1.7:0
HETDOUT.31:0
HETDSET.31:0
Register R
Register B
HETDCLR.31:0
HETFLG. 31:0
HETDIN.31:0
Priority 1
Priority 2
To VIM
32
HETDIR.31:0
Rotate/
Shift by N
HETADDR.8:0
HETPRY.31:0
HR block
HET[31:0]
Control RAM Data RAM
Ignore Suspend
HETGCR.17
Stop
Shadow Registers
Shadow Registers
High Resolution
prescaler
HETPFR.5:0
Loop resolution
prescaler
HETPFR.10:8
Register S
Register T
HR clock
(to IO PIN
CONTROL)
HR clock
CURRENT INSTRUCTION
HOST
INTERFACE
N2HET
RAM
SPECIALIZED
TIMER
MICROMACHINE
I/O
PIN
CONTROL
PROGRAM FIELD CONTROL FIELD
DATA FIELD
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955
SPNU563A–March 2018
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High-End Timer (N2HET) Module
23.1.3 Block Diagram
The N2HET module (see Figure 23-1) comprises four separate components:
• Host interface
• N2HET RAM
• Specialized timer micromachine
• I/O control (the N2HET is attached to an I/O port of up to 32 pins)
Figure 23-1. N2HET Block Diagram